Entity Central Index Key
Asset acquisition contingent consideration liability noncurrent.
Cover [Abstract]
Document Type
Document Type
Amendment Flag
Amendment Flag
Document Period End Date
Document Period End Date
Document Fiscal Year Focus
Document Fiscal Year Focus
Document Fiscal Period Focus
Document Fiscal Period Focus
Entity Registrant Name
Entity Registrant Name
Entity Central Index Key
Current Fiscal Year End Date
Current Fiscal Year End Date
Entity Well-known Seasoned Issuer
Entity Well Known Seasoned Issuer
Entity Current Reporting Status
Entity Current Reporting Status
Entity Voluntary Filers
Entity Voluntary Filers
Entity Interactive Data Current
Entity Interactive Data Current
Entity Filer Category
Entity Filer Category
Entity Small Business
Entity Small Business
Entity Shell Company
Entity Shell Company
Entity Emerging Growth Company
Entity Emerging Growth Company
Document Annual Report
Document Annual Report
Document Transition Report
Document Transition Report
Entity File Number
Entity File Number
Entity Tax Identification Number
Entity Tax Identification Number
Entity Address, Address Line One
Entity Address Address Line1
Entity Address, Address Line Two
Entity Address Address Line2
Entity Address, City or Town
Entity Address City Or Town
Entity Address, State or Province
Entity Address State Or Province
Entity Address, Postal Zip Code
Entity Address Postal Zip Code
City Area Code
City Area Code
Local Phone Number
Local Phone Number
Entity Incorporation, State or Country Code
Entity Incorporation State Country Code
Entity Common Stock, Shares Outstanding
Entity Common Stock Shares Outstanding
Entity Public Float
Entity Public Float
Title of 12(b) Security
Security12b Title
Trading Symbol
Trading Symbol
Security Exchange Name
Security Exchange Name
Minority interest investment in subsidiary.
Total of the carrying values as of the balance sheet date of obligations incurred through that date and payable for obligations related to clinical trial services received from vendors, such as accrued contract research organization costs, patient costs, clinical site costs and clinical product cost. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).
Statement Of Financial Position [Abstract]
Statement [Table]
Statement [Table]
Class of Warrant or Right
Class Of Warrant Or Right [Axis]
Class of Warrant or Right
Class Of Warrant Or Right [Domain]
Series A Warrants [Member]
Series A Warrant Liability [Member]
Series A Warrants [Member]
2017 PIPE warrant liability.
2017 PIPE Warrant Liability [Member]
Two Thousand Seventeen P I P E Warrant Liability [Member]
2018 PIPE warrant liability.
2018 PIPE Warrant Liability [Member]
Two Thousand Eighteen P I P E Warrant Liability [Member]
Class of Stock
Statement Class Of Stock [Axis]
Class of Stock
Class Of Stock [Domain]
Series B Convertible Preferred Stock [Member]
Series B Preferred Stock [Member]
Statement [Line Items]
Statement [Line Items]
Assets
Assets [Abstract]
Current assets
Assets Current [Abstract]
Cash and cash equivalents
Cash And Cash Equivalents At Carrying Value
Prepaid expenses and other current assets
Prepaid Expense And Other Assets Current
Due from related party
Due From Related Parties Current
Minority interest investment in former subsidiary
Minority Interest Investment In Subsidiary
Total current assets
Assets Current
Long-term assets
Assets Noncurrent [Abstract]
Property and equipment, net
Property Plant And Equipment Net
Operating lease right-of-use assets
Operating Lease Right Of Use Asset
Finance lease right-of-use assets
Finance Lease Right Of Use Asset
Intangible assets, net
Intangible Assets Net Excluding Goodwill
Other long-term assets
Other Assets Noncurrent
Total assets
Assets
Liabilities and stockholders’ equity
Liabilities And Stockholders Equity [Abstract]
Current liabilities
Liabilities Current [Abstract]
Accounts payable
Accounts Payable Current
Accrued compensation
Employee Related Liabilities Current
Accrued clinical trial site costs
Accrued Clinical Trial Costs Current
Operating lease liabilities
Operating Lease Liability Current
Other current liabilities
Other Liabilities Current
Total current liabilities
Liabilities Current
Long-term liabilities
Liabilities Noncurrent [Abstract]
Warrant liability
Derivative Liabilities Noncurrent
Contingent liability for Essentialis purchase price
Asset Acquisition Contingent Consideration Liability Noncurrent
Other long-term liabilities
Other Liabilities Noncurrent
Total liabilities
Liabilities
Commitments and contingencies (Note 8)
Commitments And Contingencies
Stockholders’ equity
Stockholders Equity [Abstract]
Preferred stock
Preferred Stock Value
Common stock
Common Stock Value
Additional paid-in-capital
Additional Paid In Capital Common Stock
Accumulated deficit
Retained Earnings Accumulated Deficit
Total stockholders’ equity
Stockholders Equity
Total liabilities and stockholders’ equity
Liabilities And Stockholders Equity
Preferred stock par value (in dollars per share)
Preferred Stock Par Or Stated Value Per Share
Preferred stock shares authorized
Preferred Stock Shares Authorized
Preferred stock, shares issued
Preferred Stock Shares Issued
Preferred stock, shares outstanding
Preferred Stock Shares Outstanding
Preferred stock, aggregate liquidation preference
Preferred Stock Liquidation Preference Value
Common stock, par value (in dollars per share)
Common Stock Par Or Stated Value Per Share
Common stock, shares authorized
Common Stock Shares Authorized
Common stock, shares issued
Common Stock Shares Issued
Common stock, shares outstanding
Common Stock Shares Outstanding
Asset acquisition contingent consideration change in fair value.
Income loss from minority interest investments.
Income Statement [Abstract]
Operating expenses
Operating Expenses [Abstract]
Research and development
Research And Development Expense
General and administrative
General And Administrative Expense
Change in fair value of contingent consideration
Asset Acquisition Contingent Consideration Change In Fair Value
Total operating expenses
Operating Expenses
Operating loss
Operating Income Loss
Other (expense) income
Nonoperating Income Expense [Abstract]
Change in fair value of warrants liabilities
Fair Value Adjustment Of Warrants
Gain on deconsolidation of former subsidiary
Deconsolidation Gain Or Loss Amount
Loss from minority interest investment
Income Loss From Minority Interest Investments
Interest and other income
Other Nonoperating Income Expense
Total other (expense) income
Nonoperating Income Expense
Loss from continuing operations
Income Loss From Continuing Operations
Loss from discontinued operations
Income Loss From Discontinued Operations Net Of Tax Attributable To Reporting Entity
Net loss
Net Income Loss
Loss per common share from continuing operations, basic and diluted
Income Loss From Continuing Operations Per Basic And Diluted Share
Loss per common share from discontinued operations, basic and diluted
Discontinued Operation Income Loss From Discontinued Operation Net Of Tax Per Basic And Diluted Share
Net loss per common share, basic and diluted
Earnings Per Share Basic And Diluted
Weighted-average common shares outstanding used to calculate basic and diluted net loss per common share
Weighted Average Number Of Share Outstanding Basic And Diluted
Fair value at transaction date of warrants to purchase common stock value.
Statement Of Stockholders Equity [Abstract]
Equity Components
Statement Equity Components [Axis]
Equity Component
Equity Component [Domain]
Common Stock [Member]
Common Stock [Member]
Additional Paid-In Capital [Member]
Additional Paid In Capital [Member]
Accumulated Deficit [Member]
Retained Earnings [Member]
Asset purchase.
Asset Purchase
Asset Purchase [Axis]
Asset purchase.
Asset Purchase
Asset Purchase [Domain]
Essentialis, Inc.
Essentialis, Inc. [Member]
Essentialis Inc [Member]
Balances at beginning
Balances at beginning (shares)
Shares Outstanding
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Increase Decrease In Stockholders Equity Roll Forward
Stock-based compensation
Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value
Issuance of common stock on conversion of series B convertible preferred shares
Stock Issued During Period Value Conversion Of Convertible Securities
Issuance of common stock on conversion of series B convertible preferred shares (shares)
Stock Issued During Period Shares Conversion Of Convertible Securities
Issuance of restricted stock units under equity incentive plans
Stock Issued During Period Value Restricted Stock Award Net Of Forfeitures
Issuance of restricted stock units under equity incentive plans (shares)
Stock Issued During Period Shares Restricted Stock Award Net Of Forfeitures
Issuance of common stock held back on acquisition of Essentialis
Stock Issued During Period Value Acquisitions
Issuance of common stock held back on acquisition of Essentialis (Shares)
Stock Issued During Period Shares Acquisitions
Issuance of common stock
Stock Issued During Period Value New Issues
Issuance of common stock (shares)
Stock Issued During Period Shares New Issues
Fair value at transaction date of warrants to purchase common stock
Fair Value At Transaction Date Of Warrants To Purchase Common Stock Value
Net loss
Balances at ending
Balances at end (shares)
Less transaction costs
Adjustments To Additional Paid In Capital Stock Issued Issuance Costs
Noncash lease expense.
Increase decrease in accrued clinical trial site costs.
Increase decrease in operating lease liabilities.
Payments to security deposit on sublease.
Proceeds from security deposit received from expired lease.
Proceeds from sale of minority interest investment in former subsidiary.
Proceeds from sale of common stock and common stock warrants, net of costs.
Accrued liability for cost of issuing common stock.
Warrants issued in connection with sale of common stock.
Statement Of Cash Flows [Abstract]
Operating Activities
Statement Operating Activities Segment [Axis]
Operating Activities
Segment Operating Activities [Domain]
Continuing Operations [Member]
Segment Continuing Operations [Member]
Discontinued Operations [Member]
Segment Discontinued Operations [Member]
Cash flows from operating activities:
Net Cash Provided By Used In Operating Activities [Abstract]
Net loss
Profit Loss
Loss from continuing operations
Adjustments to reconcile net loss from continuing operations to net cash used in operating activities:
Adjustments To Reconcile Net Income Loss To Cash Provided By Used In Operating Activities [Abstract]
Depreciation and amortization
Depreciation And Amortization
Noncash lease expense
Noncash Lease Expense
Stock-based compensation expense
Share Based Compensation
Change in fair value of stock warrants
Gain on deconsolidation of former subsidiary
Operating loss of minority interest investment
Income Loss From Equity Method Investments
Change in operating assets and liabilities:
Increase Decrease In Operating Capital [Abstract]
Prepaid expenses, other current assets and other assets
Increase Decrease In Prepaid Deferred Expense And Other Assets
Due from related party
Increase Decrease In Due From Related Parties
Accounts payable
Increase Decrease In Accounts Payable
Accrued compensation
Increase Decrease In Employee Related Liabilities
Accrued clinical trial site costs
Increase Decrease In Accrued Clinical Trial Site Costs
Operating lease liabilities
Increase Decrease In Operating Lease Liabilities
Other liabilities
Increase Decrease In Other Operating Liabilities
Net cash used in continuing operating activities
Net Cash Provided By Used In Operating Activities Continuing Operations
Net cash used in discontinued operating activities
Cash Provided By Used In Operating Activities Discontinued Operations
Net cash used in operating activities
Net Cash Provided By Used In Operating Activities
Cash flows from investing activities:
Net Cash Provided By Used In Investing Activities [Abstract]
Purchases of property and equipment
Payments To Acquire Property Plant And Equipment
Security deposit on sublease
Payments To Security Deposit On Sublease
Security deposit received from expired lease
Proceeds From Security Deposit Received From Expired Lease
Proceeds from sale of minority interest investment in former subsidiary
Proceeds From Sale Of Minority Interest Investment In Former Subsidiary
Net cash provided by (used in) continuing investing activities
Net Cash Provided By Used In Investing Activities Continuing Operations
Net cash used in discontinued investing activities
Cash Provided By Used In Investing Activities Discontinued Operations
Net cash provided by (used in) investing activities
Net Cash Provided By Used In Investing Activities
Cash flows from financing activities:
Net Cash Provided By Used In Financing Activities [Abstract]
Proceeds from sale of common stock and common stock warrants, net of costs
Proceeds From Sale Of Common Stock And Common Stock Warrants Net Of Costs
Principal paid on finance lease liabilities
Finance Lease Principal Payments
Net cash provided by continuing financing activities
Net Cash Provided By Used In Financing Activities Continuing Operations
Net cash provided by discontinued financing activities
Cash Provided By Used In Financing Activities Discontinued Operations
Net cash provided by financing activities
Net Cash Provided By Used In Financing Activities
Net increase (decrease) in cash and cash equivalents
Cash And Cash Equivalents Period Increase Decrease
Net increase (decrease) in cash and cash equivalents
Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect
Cash and cash equivalents, beginning of period
Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents
Cash and cash equivalents, end of period
Supplemental disclosures of non-cash investing and financing information
Noncash Investing And Financing Items [Abstract]
Accrued liability for cost of issuing common stock
Accrued Liability For Cost Of Issuing Common Stock
Warrants issued in connection with sale of common stock
Warrants Issued In Connection With Sale Of Common Stock
Documents Incorporated by Reference
Documents Incorporated By Reference [Text Block]
Accounting Policies [Abstract]
Overview
Business Description And Basis Of Presentation [Text Block]
Organization Consolidation And Presentation Of Financial Statements [Abstract]
Going Concern and Management's Plans
Substantial Doubt About Going Concern [Text Block]
Summary of Significant Accounting Policies
Significant Accounting Policies [Text Block]
Fair Value Disclosures [Abstract]
Fair Value of Financial Instruments
Fair Value Disclosures [Text Block]
Other financial statement details disclosure.
Other financial statement details disclosure.
Other Financial Statement Details Disclosure [Abstract]
Other Financial Statement Details
Other Financial Statement Details Disclosure [Text Block]
Warrant Liability Disclosure [Text Block]
Text Block [Abstract]
Warrant Liabilities
Warrant Liability Disclosure [Text Block]
Lessee operating and finance leases.
Leases [Abstract]
Leases
Lessee Operating And Finance Leases [Text Block]
Commitments And Contingencies Disclosure [Abstract]
Commitments and Contingencies
Commitments And Contingencies Disclosure [Text Block]
Discontinued Operations And Disposal Groups [Abstract]
CoSense Joint Venture Agreement and Discontinued Operations
Disposal Groups Including Discontinued Operations Disclosure [Text Block]
Equity [Abstract]
Stockholders' Equity
Shareholders Equity And Share Based Payments [Text Block]
Income Tax Disclosure [Abstract]
Income Taxes
Income Tax Disclosure [Text Block]
Earnings Per Share [Abstract]
Net loss per share
Earnings Per Share [Text Block]
Compensation And Retirement Disclosure [Abstract]
Defined Contribution Plan
Pension And Other Postretirement Benefits Disclosure [Text Block]
Subsequent Events [Abstract]
Subsequent Events
Subsequent Events [Text Block]
Finite-Lived Intangible Assets by Major Class
Finite Lived Intangible Assets By Major Class [Axis]
Finite-Lived Intangible Assets, Major Class Name
Finite Lived Intangible Assets Major Class Name [Domain]
Patents [Member]
Patents [Member]
Basis of Presentation
Basis Of Accounting Policy Policy [Text Block]
Use of Estimates
Use Of Estimates
Concentration of Credit Risk
Concentration Risk Credit Risk
Segments
Segment Reporting Policy Policy [Text Block]
Cash and Cash Equivalents
Cash And Cash Equivalents Policy [Text Block]
Prepaid Expenses And Other Current Assets Policy [Text Block]
Prepaid Expenses and Other Current Assets
Prepaid Expenses And Other Current Assets Policy [Text Block]
Intangible Assets
Intangible Assets Finite Lived Policy
Property and Equipment, Net
Property Plant And Equipment Policy [Text Block]
Equity Method Investment
Equity Method Investments Policy
Long-Lived Assets
Impairment Or Disposal Of Long Lived Assets Policy [Text Block]
Research and Development
Research And Development Expense Policy
Change in fair value of contingent consideration policy.
Change in Fair Value of Contingent Consideration
Change In Fair Value Of Contingent Consideration Policy [Text Block]
Income Taxes
Income Tax Policy [Text Block]
Convertible Preferred Stock and Other Hybrid Instruments
Stockholders Equity Note Redeemable Preferred Stock Issue Policy
Common Stock Purchase Warrants and Other Derivative Financial Instruments
Derivatives Policy [Text Block]
Stock-Based Compensation
Share Based Compensation Option And Incentive Plans Policy
Recent Accounting Standards
New Accounting Pronouncements Policy Policy [Text Block]
Summary of Financial Instruments Measured at Fair Value on Recurring Basis
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Table [Text Block]
Summary of Changes in Fair Value of Level1 and Level 3 Financial Instruments
Fair Value Liabilities Measured On Recurring Basis Unobservable Input Reconciliation [Text Block]
Schedule of Property and Equipment
Property Plant And Equipment [Text Block]
Schedule of Intangible Assets
Schedule Of Intangible Assets And Goodwill Table [Text Block]
Schedule of Future Amortization Expense
Scheduleof Finite Lived Intangible Assets Future Amortization Expense Table [Text Block]
Series C Warrants [Member]
Series C Warrant [Member]
Series C Warrants [Member]
Fair Value of Convertible Preferred Stock Warrant Liability
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques Table [Text Block]
Schedule of Components of Lease Expense
Lease Cost Table [Text Block]
Schedule of supplemental cash flow information related to leases.
Schedule Of Supplemental Cash Flow Information Related To Leases
Schedule Of Supplemental Cash Flow Information Related To Leases Table [Text Block]
Operating lease and finance lease liability maturity.
Operating Lease and Finance Lease Liability Maturity
Operating Lease And Finance Lease Liability Maturity Table [Text Block]
Components of Discontinued Operations
Schedule Of Disposal Groups Including Discontinued Operations Income Statement Balance Sheet And Additional Disclosures [Text Block]
Summary of Stock Based Compensation Expense
Schedule Of Employee Service Share Based Compensation Allocation Of Recognized Period Costs [Text Block]
Schedule of Fair Value of Award Granted Using Black-Scholes Option Pricing Model
Schedule Of Share Based Payment Award Stock Options Valuation Assumptions Table [Text Block]
Summary of Stock Option and Restricted Stock Unit Transactions
Schedule Of Share Based Compensation Stock Options Activity Table [Text Block]
Schedule of Geographical Distribution of Loss before Income Taxes
Schedule Of Income Before Income Tax Domestic And Foreign Table [Text Block]
Provision for Income Tax Benefit by Applying Statutory Federal Income Tax Rate to Operating Loss from Continuing Operations
Schedule Of Effective Income Tax Rate Reconciliation Table [Text Block]
Significant Components of Company's Deferred Tax Assets and Liabilities
Schedule Of Deferred Tax Assets And Liabilities Table [Text Block]
Summary of Gross Unrecognized Tax Benefits
Schedule Of Unrecognized Tax Benefits Roll Forward Table [Text Block]
Schedule of Potentially Dilutive Securities Outstanding Excluded from Computations of Diluted Weighted-Average Shares Outstanding
Schedule Of Antidilutive Securities Excluded From Computation Of Earnings Per Share [Text Block]
Liquidity And Managements Plans [Line Items]
Liquidity And Managements Plans [Table]
Liquidity And Managements Plans [Table]
Liquidity And Managements Plans [Table]
Sale of Stock
Subsidiary Sale Of Stock [Axis]
Sale of Stock
Sale Of Stock Name Of Transaction [Domain]
Underwritten public offering.
Underwritten Public Offering [Member]
Underwritten Public Offering [Member]
Liquidity And Managements Plans [Line Items]
Liquidity And Managements Plans [Line Items]
Cash on hand
Cash
Net cash used in operating activities
Number of newly issued
Price per unit
Shares Issued Price Per Share
Net proceeds from shares issued
Proceeds From Issuance Of Common Stock
Concentration Risk, Credit Risk, Number of Banks
Schedule Of Significant Accounting Policies [Line Items]
Schedule Of Significant Accounting Policies [Table]
Schedule Of Significant Accounting Policies [Table]
Schedule Of Significant Accounting Policies [Table]
Statistical Measurement
Range [Axis]
Statistical Measurement
Range [Member]
Minimum [Member]
Minimum [Member]
Maximum [Member]
Maximum [Member]
Award Type
Award Type [Axis]
Award Type
Share Based Compensation Arrangements By Share Based Payment Award Award Type And Plan Name [Domain]
Employee stock option and restricted stock units member.
Stock Options and Restricted Stock Units [Member]
Employee Stock Option And Restricted Stock Units [Member]
Stock Options [Member]
Employee Stock Option [Member]
Adjustments for New Accounting Pronouncements
Adjustments For New Accounting Pronouncements [Axis]
Type of Adoption
Type Of Adoption [Member]
Accounting Standards Update 2016-02 [Member]
Accounting Standards Update201602 [Member]
Schedule Of Significant Accounting Policies [Line Items]
Schedule Of Significant Accounting Policies [Line Items]
Number of commercial banks
Concentration Risk Credit Risk Numberof Banks
Number of operating segments
Number Of Operating Segments
Net intangible assets acquired
Business Combination Recognized Identifiable Assets Acquired And Liabilities Assumed Intangible Assets Other Than Goodwill
Estimated useful lives of property and equipment
Property Plant And Equipment Useful Life
Estimated useful life
Finite Lived Intangible Asset Useful Life
Vesting period
Share Based Compensation Arrangement By Share Based Payment Award Award Vesting Period1
Expected dividend yield
Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Expected Dividend Rate
Present value of lease payments from lease liability.
Right-of-use asset from lease liability
Present value of total fixed payments
Present Value Of Lease Payments From Lease Liability
Right-of-use assets recognized
Right Of Use Asset From Lease Liability
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Table]
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Table]
Fair Value Hierarchy and NAV
Fair Value By Fair Value Hierarchy Level [Axis]
Fair Value Hierarchy and NAV
Fair Value Measurements Fair Value Hierarchy [Domain]
Level 1 [Member]
Fair Value Inputs Level1 [Member]
Level 2 [Member]
Fair Value Inputs Level2 [Member]
Level 3 [Member]
Fair Value Inputs Level3 [Member]
Measurement Frequency
Fair Value By Measurement Frequency [Axis]
Measurement Frequency
Fair Value Measurement Frequency [Domain]
Fair Value, Measurements, Recurring [Member]
Fair Value Measurements Recurring [Member]
Liability Class
Fair Value By Liability Class [Axis]
Fair Value by Liability Class
Fair Value Liabilities Measured On Recurring Basis Unobservable Input Reconciliation By Liability Class [Domain]
Derivative Financial Instruments, Liabilities
Derivative Financial Instruments Liabilities [Member]
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Liabilities
Liabilities Fair Value Disclosure [Abstract]
Total common stock warrant and contingent consideration liability
Liabilities Fair Value Disclosure
Expiration of warrants.
Fair value measurement with unobservable inputs reconciliation recurring basis liability expiration.
Fair Value Liabilities Measured On Recurring Basis Unobservable Input Reconciliation [Table]
Fair Value Liabilities Measured On Recurring Basis Unobservable Input Reconciliation [Table]
Common Stock Warrant Liability [Member]
Common stock warrant liability [Member]
Common Stock Warrant Liability [Member]
Purchase price contingent liability.
Purchase price contingent liability [Member]
Purchase Price Contingent Liability [Member]
Fair Value Liabilities Measured On Recurring Basis Unobservable Input Reconciliation [Line Items]
Fair Value Liabilities Measured On Recurring Basis Unobservable Input Reconciliation [Line Items]
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]
Fair Value Liabilities Measured On Recurring Basis Unobservable Input Reconciliation Calculation Roll Forward
Balance at the beginning of period
Fair Value Measurement With Unobservable Inputs Reconciliations Recurring Basis Liability Value
Balance at the beginning of period, in shares
Class Of Warrant Or Right Outstanding
Change in value of liabilities
Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Liability Gain Loss Included In Earnings
Expiration of warrants, in shares
Expiration Of Warrants
Expiration of warrants
Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Liability Expiration
Balance at end of period
Balance at the end of period, in shares
Property, Plant and Equipment [Line Items]
Schedule Of Property Plant And Equipment [Table]
Property, Plant and Equipment, Type
Property Plant And Equipment By Type [Axis]
Property, Plant and Equipment, Type
Property Plant And Equipment Type [Domain]
Computer Hardware [Member]
Computer Equipment [Member]
Computer Software [Member]
Software Development [Member]
Furniture and Fixtures [Member]
Furniture And Fixtures [Member]
Leasehold Improvements [Member]
Leasehold Improvements [Member]
Property, Plant and Equipment [Line Items]
Property Plant And Equipment [Line Items]
Property and equipment, gross
Property Plant And Equipment Gross
Less accumulated depreciation and amortization
Accumulated Depreciation Depletion And Amortization Property Plant And Equipment
Total
Depreciation expense
Depreciation
Schedule Of Finite Lived Intangible Assets [Table]
Schedule Of Finite Lived Intangible Assets [Table]
Patents and Merger Costs [Member]
Patents and Merger Costs [Member]
Patents And Merger Costs [Member]
Finite Lived Intangible Assets [Line Items]
Finite Lived Intangible Assets [Line Items]
Amount
Finite Lived Intangible Assets Gross
Accumulated Amortization
Finite Lived Intangible Assets Accumulated Amortization
Net Amount
Finite Lived Intangible Assets Net
Patents And Trademark [Member]
Patents And Trademark [Member]
Patents And Trademark [Member]
2020
Finite Lived Intangible Assets Amortization Expense Next Twelve Months
2021
Finite Lived Intangible Assets Amortization Expense Year Two
2022
Finite Lived Intangible Assets Amortization Expense Year Three
2023
Finite Lived Intangible Assets Amortization Expense Year Four
2024
Finite Lived Intangible Assets Amortization Expense Year Five
2025 and thereafter
Finite Lived Intangible Assets Amortization Expense After Year Five
Amortization
Adjustment For Amortization
Class Of Warrant Or Right, Warrant Term
Class Of Warrant Or Right [Table]
Class Of Warrant Or Right [Table]
Series A Warrants to Purchase Common Stock [Member]
Series A Warrants to Purchase Shares of Common Stock [Member]
Series A Warrants To Purchase Common Stock [Member]
IPO [Member]
I P O [Member]
Series B Warrants [Member]
Series B Warrant Liability [Member]
Series B Warrants [Member]
2017 PIPE warrant liability to purchase common stock.
2017 PIPE Warrant Liability to Purchase Common Stock [Member]
Two Thousand Seventeen P I P E Warrant Liability To Purchase Common Stock [Member]
Two thousand eighteen PIPE warrant liability to purchase common stock.
2018 PIPE Warrant Liability [Member]
Two Thousand Eighteen P I P E Warrant Liability To Purchase Common Stock [Member]
Measurement Input Type
Measurement Input Type [Axis]
Measurement Input Type
Measurement Input Type [Domain]
Expected Dividend Yield [Member]
Measurement Input Expected Dividend Rate [Member]
Class Of Warrant Or Right [Line Items]
Class Of Warrant Or Right [Line Items]
Number of common stock purchased upon issuance of warrants
Class Of Warrant Or Right Number Of Securities Called By Warrants Or Rights
Exercise price of warrants exercised
Class Of Warrant Or Right Exercise Price Of Warrants Or Rights1
Warrants term
Class Of Warrant Or Right Warrant Term
Warrants Exercised
Warrants exercised (in shares)
Warrants Exercised
De-recognition Of Warrant Derivative Liability
Tender offer expiration date.
Stock Issued During Period Shares Cashless Exercise Of Warrants
Cashless Warrants Exercised
De-recognition of warrant liability
Derecognition Of Warrant Derivative Liability
Proceeds from exercise of warrants
Proceeds From Warrant Exercises
Tender offer expiration date
Tender Offer Expiration Date
Issuance of shares upon cashless exercise warrants (in shares)
Stock Issued During Period Shares Cashless Exercise Of Warrants
Proceeds from issuance of common stock under tender offer
Warrants cashless exercised (in shares)
Cashless Warrants Exercised
Class of Warrant Or Right, Liquidated Damages Amount, Percent of Volume Weighted Average Price
Aggregate VWAP (percent)
Classof Warrant Or Right Liquidated Damages Amount Percentof Volume Weighted Average Price
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Table]
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Table]
Volatility [Member]
Measurement Input Price Volatility [Member]
Contractual Term [Member]
Measurement Input Expected Term [Member]
Risk-free Rate [Member]
Measurement Input Risk Free Interest Rate [Member]
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Line Items]
Measurement input
Warrants And Rights Outstanding Measurement Input
Measurement term
Warrants And Rights Outstanding Term
Class of Warrant or Right, Exercise Price Description
Warrant issuance description
Class Of Warrant Or Right Exercise Price Description
Fair value of estimated warrants
Warrants And Rights Outstanding
Lessee Lease Description [Table]
Lessee Lease Description [Table]
Investment, Name
Schedule Of Equity Method Investment Equity Method Investee Name [Axis]
Investment, Name
Equity Method Investee Name [Domain]
Capnia Inc joint venture.
Capnia Inc Joint Venture [Member]
Capnia Inc Joint Venture [Member]
Geographical
Statement Geographical [Axis]
Geographical
Segment Geographical [Domain]
Redwood City, California [Member]
CALIFORNIA
Scenario
Statement Scenario [Axis]
Scenario
Scenario Unspecified [Domain]
Forecast [Member]
Scenario Forecast [Member]
Lessee Lease Description [Line Items]
Lessee Lease Description [Line Items]
Sublease income
Sublease Income
Lessee, operating lease commencement month and year.
Lessee, operating lease month and year of expiration.
Area of operating lease
Area Of Real Estate Property
Operating lease, description
Lessee Operating Lease Description
Operating lease beginning date
Lessee Operating Lease Commencement Month And Year
Operating lease, expiration
Lessee Operating Lease Month And Year Of Expiration
Payment to acquire office furniture under operating lease
Payments To Acquire Furniture And Fixtures
Future minimum commitment under non-cancelable operating lease
Operating Lease Payments
Current operating lease liabilities
Current finance lease liabilities
Finance Lease Liability Current
Finance Lease, Liability, Current, Statement of Financial Position [Extensible List]
Finance Lease Liability Current Statement Of Financial Position Extensible List
Long-term operating lease liabilities
Operating Lease Liability Noncurrent
Operating Lease, Liability, Noncurrent, Statement of Financial Position [Extensible List]
Operating Lease Liability Noncurrent Statement Of Financial Position Extensible List
Long-term finance lease liabilities
Finance Lease Liability Noncurrent
Finance Lease, Liability, Noncurrent, Statement of Financial Position [Extensible List]
Finance Lease Liability Noncurrent Statement Of Financial Position Extensible List
Operating lease cost and sublease income.
Finance lease cost.
Operating lease cost
Operating Lease Cost
Sublease income
Total operating lease cost
Operating Lease Cost And Sublease Income
Amortization of right-of-use assets
Finance Lease Right Of Use Asset Amortization
Interest on lease liabilities
Finance Lease Interest Expense
Total finance lease cost
Finance Lease Cost
Rent expense
Operating Leases Rent Expense Net
Sublease income
Operating Leases Rent Expense Sublease Rentals1
Cash paid for amounts included in measurement of lease liabilities.
Right-of use assets obtained in exchange for lease obligations.
Cash paid for amounts included in the measurement of lease liabilities:
Cash Paid For Amounts Included In Measurement Of Lease Liabilities [Abstract]
Operating cash flows from operating leases
Operating cash flows from finance leases
Finance Lease Interest Payment On Liability
Financing cash flows from finance leases
Right-of use assets obtained in exchange for lease obligations (noncash):
Right Of Use Assets Obtained In Exchange For Lease Obligations [Abstract]
Operating leases
Right Of Use Asset Obtained In Exchange For Operating Lease Liability
Finance leases
Right Of Use Asset Obtained In Exchange For Finance Lease Liability
Operating Leases
Operating Lease Liabilities Payments Due [Abstract]
2020
Lessee Operating Lease Liability Payments Due Next Twelve Months
2021
Lessee Operating Lease Liability Payments Due Year Two
Total lease payments
Lessee Operating Lease Liability Payments Due
Less interest
Lessee Operating Lease Liability Undiscounted Excess Amount
Total
Operating Lease Liability
Finances Lease
Finance Lease Liabilities Payments Due [Abstract]
2020
Finance Lease Liability Payments Due Next Twelve Months
2021
Finance Lease Liability Payments Due Year Two
Total lease payments
Finance Lease Liability Payments Due
Less interest
Finance Lease Liability Undiscounted Excess Amount
Total
Finance Lease Liability
Finance lease, weighted-average remaining lease term
Finance Lease Weighted Average Remaining Lease Term1
Finance lease, discount rate
Finance Lease Weighted Average Discount Rate Percent
Operating lease, weighted-average remaining lease term
Operating Lease Weighted Average Remaining Lease Term1
Operating lease, discount rate
Operating Lease Weighted Average Discount Rate Percent
Required maximum investment to purchase joint venture common shares on an incremental quarterly basis commencing in December 2017.
Investment threshold requirement stock issuance.
Income Statement Balance Sheet And Additional Disclosures By Disposal Groups Including Discontinued Operations [Table]
Income Statement Balance Sheet And Additional Disclosures By Disposal Groups Including Discontinued Operations [Table]
Legal Entity
Legal Entity [Axis]
Entity
Entity [Domain]
OAHL.
OAHL [Member]
O A H L [Member]
Related Party
Related Party Transactions By Related Party [Axis]
Related Party
Related Party [Domain]
Corporate Joint Venture [Member]
Corporate Joint Venture [Member]
Sinon Investments LLC.
Sinon Investments LLC [Member]
Sinon Investments L L C [Member]
Disposal Group Name
Income Statement Balance Sheet And Additional Disclosures By Disposal Groups Including Discontinued Operations [Axis]
Disposal Group Name
Disposal Groups Including Discontinued Operations Name [Domain]
CoSense and, NFI and Serenz.
CoSense, NFI and Serenz [Member]
Cosense N F I And Serenz [Member]
Disposal Group Classification
Disposal Group Classification [Axis]
Disposal Group Classification
Disposal Group Classification [Domain]
Discontinued Operations, Held-for-sale [Member]
Discontinued Operations Heldforsale [Member]
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Income Statement Balance Sheet And Additional Disclosures By Disposal Groups Including Discontinued Operations [Line Items]
Investment threshold requirement
Investment Threshold Requirement
Negotiated price per share
Sale Of Stock Price Per Share
Investment threshold requirement stock issuance
Investment Threshold Requirement Stock Issuance
Gain loss from minority interest investment.
Percentage of discount for lack of control.
Percentage of ownership interest
Subsidiary Or Equity Method Investee Cumulative Percentage Ownership After All Transactions
Current period gain recognized
Sale Leaseback Transaction Current Period Gain Recognized
Number of shares owned
Investment Owned Balance Shares
Percentage of discount for lack of control
Percentage Of Discount For Lack Of Control
Total purchase price
Business Combination Consideration Transferred1
Gain in minority interest investment
Gain Loss From Minority Interest Investment
Assets held for sale, current
Assets Of Disposal Group Including Discontinued Operation Current
Assets held for sale, long-term
Disposal Group Including Discontinued Operation Assets Noncurrent
Liabilities held for sale, current
Liabilities Of Disposal Group Including Discontinued Operation Current
Liabilities held for sale, long-term
Liabilities Of Disposal Group Including Discontinued Operation Noncurrent
Disposal Group Including Discontinued Operation Product Revenue
Disposal Group Including Discontinued Operation Cost Of Goods Sold (Refunded)
Disposal Group, Including Discontinued Operation, Research and Development
Disposal Group, Including Discontinued Operation, Sales and Marketing
Disposal Group, Including Discontinued Operation, Cost and Expenses
Product revenue
Disposal Group Including Discontinued Operation Product Revenue
Cost of product revenue
Disposal Group Including Discontinued Operation Cost Of Goods Sold Refunded
Gross profit
Disposal Group Including Discontinued Operation Gross Profit Loss
Expenses
Disposal Group Not Discontinued Operation Income Statement Disclosures [Abstract]
Research and development
Disposal Group Including Discontinued Operation Research And Development
Sales and marketing
Disposal Group Including Discontinued Operation Salesand Marketing
General and administrative
Disposal Group Including Discontinued Operation General And Administrative Expense
Total expenses
Disposal Group Including Discontinued Operation Cost And Expense
Operating loss
Disposal Group Including Discontinued Operation Operating Income Loss
Net loss from discontinued operations
Stock-based compensation expense
Allocated Share Based Compensation Expense
Disclosure Of Compensation Related Costs Sharebased Payments [Abstract]
Schedule Of Share Based Compensation Arrangements By Share Based Payment Award [Table]
Schedule Of Share Based Compensation Arrangements By Share Based Payment Award [Table]
Contingent Consideration by Type
Contingent Consideration By Type [Axis]
Contingent Consideration Type
Contingent Consideration Type [Domain]
Indemnification Claims [Member]
Indemnification Claims [Member]
Indemnification Claims [Member]
Earnout Payments [Member]
Earnout Payments [Member]
Earnout Payments [Member]
Aspire Capital Fund Llc [Member]
Aspire Capital Fund, LLC [Member]
Aspire Capital Fund Llc [Member]
Antidilutive Securities
Antidilutive Securities Excluded From Computation Of Earnings Per Share By Antidilutive Securities [Axis]
Antidilutive Securities, Name
Antidilutive Securities Name [Domain]
Equity Unit Purchase Agreements [Member]
Equity Unit Purchase Agreements [Member]
Incentive Stock Options [Member]
ISOs [Member]
Incentive Stock Options [Member]
Restricted Stock Units [Member]
Restricted Stock Units R S U [Member]
Employee Stock Purchase Plan [Member]
Employee Stock [Member]
Series D Warrants [Member]
Series D Warrants [Member]
Series D Warrants [Member]
Warrants To Purchase Stock [Member]
Warrants to Purchase Stock [Member]
Warrants To Purchase Common Stock [Member]
Underwriter [Member]
Underwriter [Member]
Underwriter [Member]
Debt Instrument
Debt Instrument [Axis]
Debt Instrument, Name
Debt Instrument Name [Domain]
Two Thousand and Ten and Two Thousand and Twelve Convertible Promissory Notes [Member]
2010 and 2012 Convertible Promissory Notes [Member]
Two Thousand And Ten And Two Thousand And Twelve Convertible Promissory Notes [Member]
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Convertible preferred stock, shares authorized
Preferred stock shares issued
Asset acquisition number of shares issued.
Asset acquisition consideration transferred indemnification claims period.
Asset acquisition consideration transferred equity interests issued and contingent consideration potentially issuable.
Asset acquisition contingent consideration liability milestone potential additional shares issuable.
Asset acquisition contingent consideration arrangements.
Common stock shares issued in acquisition (shares)
Asset Acquisition Number Of Shares Issued
Indemnification claims period
Asset Acquisition Consideration Transferred Indemnification Claims Period
Contingent consideration potential additional shares issuable if milestones are reached (shares)
Asset Acquisition Contingent Consideration Liability Milestone Potential Additional Shares Issuable
Maximum total common stock issuable in acquisition (in shares)
Asset Acquisition Consideration Transferred Equity Interests Issued And Contingent Consideration Potentially Issuable
Maximum potential cash earnout payments
Asset Acquisition Contingent Consideration Arrangements
Maximum value of shares for issuance under securities purchase agreement.
Common stock purchase agreement, agreement term.
Maximum commitment under stock purchase agreement
Maximum Value Of Shares For Issuance Under Securities Purchase Agreement
Purchase agreement term
Common Stock Purchase Agreement Agreement Term
Proceeds from issuance of common stock
Proceeds from issuance or sale of equity gross.
Gross Proceeds from issuance of units
Proceeds From Issuance Or Sale Of Equity Gross
Warrant to call common stock
Class Of Warrant Or Right Number Of Securities Called By Each Warrant Or Right
Exercise price of warrants (in dollars per share)
Number of shares issued upon full exercise of underwriters options to purchase additional shares.
Shares issued upon exercise of underwriters options
Number Of Shares Issued Upon Full Exercise Of Underwriters Options To Purchase Additional Shares
Net proceeds from issuance of public offering
Proceeds From Issuance Initial Public Offering
Ownership interest, percentage of voting rights of stock.
Ownership interest of voting rights of all classes of stock (percent)
Ownership Interest Percentageof Voting Rightsof Stock
Percentage of fair market value
Sharebased Compensation Arrangement By Sharebased Payment Award Purchase Price Of Common Stock Percent
Contractual term of option
Sharebased Compensation Arrangement By Sharebased Payment Award Expiration Period
Number of shares available for grant
Share Based Compensation Arrangement By Share Based Payment Award Number Of Shares Available For Grant
Income tax benefits recognized from stock-based compensation
Employee Service Share Based Compensation Tax Benefit From Compensation Expense
Schedule Of Employee Service Share Based Compensation Allocation Of Recognized Period Costs [Table]
Schedule Of Employee Service Share Based Compensation Allocation Of Recognized Period Costs [Table]
Income Statement Location
Income Statement Location [Axis]
Income Statement Location
Income Statement Location [Domain]
Research and Development [Member]
Research And Development Expense [Member]
General and Administrative [Member]
General And Administrative Expense [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Compensation Cost [Line Items]
Employee Service Share Based Compensation Allocation Of Recognized Period Costs [Line Items]
Total stock compensation expense
Number of options granted
Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period Gross
Expected life (years)
Sharebased Compensation Arrangement By Sharebased Payment Award Fair Value Assumptions Expected Term1
Risk-free interest rate, Minimum
Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Risk Free Interest Rate Minimum
Risk-free interest rate, Maximum
Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Risk Free Interest Rate Maximum
Volatility, Minimum
Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Expected Volatility Rate Minimum
Volatility, Maximum
Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Expected Volatility Rate Maximum
Dividend rate
Share based compensation arrangement by share based payment award number of shares available for grant granted.
Share based compensation arrangement by share based payment award number of shares available for grant exercised in period.
Share based compensation arrangement by share based payment award number of shares available for grant forfeitures in period.
Share based compensation arrangement by share based payment award shares available for grant roll forward.
Shares Available for Grant
Share Based Compensation Arrangement By Share Based Payment Award Shares Available For Grant Roll Forward
Options Available, Beginning balance
Options Available, Additional shares authorized
Share Based Compensation Arrangement By Share Based Payment Award Number Of Additional Shares Authorized
Options Available, Shares allocated to grants of restricted stock units
Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Grants In Period
Options Available, Granted
Share Based Compensation Arrangement By Share Based Payment Award Number Of Shares Available For Grant Granted
Options Available, Exercised
Share Based Compensation Arrangement By Share Based Payment Award Number Of Shares Available For Grant Exercised In Period
Options Available, Canceled/Forfeited
Share Based Compensation Arrangement By Share Based Payment Award Number Of Shares Available For Grant Forfeitures In Period
Options Available, Ending balance
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding [Roll Forward]
Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Roll Forward
Beginning balance
Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Number
Options granted
Options exercised
Stock Issued During Period Shares Stock Options Exercised
Options canceled/forfeited
Share Based Compensation Arrangement By Share Based Payment Award Options Forfeitures And Expirations In Period
Ending balance
Options vested at end of period (shares)
Sharebased Compensation Arrangement By Sharebased Payment Award Options Vested Number Of Shares
Options vested and expected to vest at end of period (shares)
Share Based Compensation Arrangement By Share Based Payment Award Options Vested And Expected To Vest Outstanding Number
Share-based Compensation Arrangement by Share-based Payment Award, Options, Nonvested, Weighted Average Grant Date Fair Value [Roll Forward]
Weighted-Average Exercise Price per Share
Sharebased Compensation Arrangementby Sharebased Payment Award Options Nonvested Weighted Average Grant Date Fair Value Roll Forward
Beginning balance (in dollars per share)
Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Weighted Average Exercise Price
Options granted (in dollars per share)
Share Based Compensation Arrangements By Share Based Payment Award Options Grants In Period Weighted Average Exercise Price
Options exercised (in dollars per share)
Share Based Compensation Arrangements By Share Based Payment Award Options Exercises In Period Weighted Average Exercise Price
Options canceled/forfeited (in dollars per share)
Share Based Compensation Arrangements By Share Based Payment Award Options Forfeitures In Period Weighted Average Exercise Price
Ending balance (in dollars per share)
Options vested at end of period (in dollars per share)
Sharebased Compensation Arrangement By Sharebased Payment Award Options Vested Weighted Average Grant Date Fair Value
Options vested and expected to vest at end of period (in dollars per share)
Share Based Compensation Arrangement By Share Based Payment Award Options Vested And Expected To Vest Outstanding Weighted Average Exercise Price
Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested in Period, Weighted Average Remaining Contractual Term
Weighted Average Remaining Contractual Term
Share Based Compensation Arrangement By Share Based Payment Award Options Additional Disclosures [Abstract]
Options outstanding at end of period
Sharebased Compensation Arrangement By Sharebased Payment Award Options Outstanding Weighted Average Remaining Contractual Term2
Options vested at end of period
Sharebased Compensation Arrangementby Sharebased Payment Award Options Vestedin Period Weighted Average Remaining Contractual Term
Options vested and expected to vest at end of period
Sharebased Compensation Arrangement By Sharebased Payment Award Options Vested And Expected To Vest Outstanding Weighted Average Remaining Contractual Term1
Weighted average grant date fair value per option granted (in dollars per share)
Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period Weighted Average Grant Date Fair Value
Future stock-based compensation for unvested employee options granted and outstanding
Employee Service Share Based Compensation Nonvested Awards Total Compensation Cost Not Yet Recognized Stock Options
Future stock-based compensation, requisite service period
Employee Service Share Based Compensation Nonvested Awards Total Compensation Cost Not Yet Recognized Period For Recognition1
Stock options outstanding, intrinsic value
Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Intrinsic Value
Stock units granted
Vesting percentage
Sharebased Compensation Arrangement By Sharebased Payment Award Award Vesting Rights Percentage
Percentage of outstanding stock maximum
Share Based Compensation Arrangement By Share Based Payment Award Percentage Of Outstanding Stock Maximum
Number of shares available for issuance under the plan on the first day of each year
Class of warrant or right warrants expiration date.
Warrants outstanding (in shares)
Warrants expiration date
Class Of Warrant Or Right Warrants Expiration Date
Liquidated damages amount percent of VWAP (percent)
Class of warrant or right warrants expiration month and year.
Warrants expiration period
Class Of Warrant Or Right Warrants Expiration Month And Year
United States
Income Loss From Continuing Operations Before Income Taxes Domestic
Foreign
Income Loss From Continuing Operations Before Income Taxes Foreign
Loss before income taxes
Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments
Loss resulting from discontinued operations
Discontinued Operation Gain Loss From Disposal Of Discontinued Operation Before Income Tax
Taxes allocated to discontinued operations
Discontinued Operation Tax Effect Of Income Loss From Disposal Of Discontinued Operation
Income tax reconciliation change in fair value of warrants.
Income tax reconciliation change in fair value of contingent consideration.
Income tax rate reconciliation, gain (loss) on deconsolidation amount.
Income tax rate reconciliation disallowance of loss on discontinued operations amount.
Income tax reconciliation change in net operating loss.
Income tax reconciliation, change in state rate true up.
Income Tax Expense Benefit Continuing Operations Income Tax Reconciliation [Abstract]
Tax on the loss before income tax expense computed at the federal statutory rate
Income Tax Reconciliation Income Tax Expense Benefit At Federal Statutory Income Tax Rate
State tax (benefit) at statutory rate, net of federal benefit
Income Tax Reconciliation State And Local Income Taxes
Foreign rate differential
Income Tax Reconciliation Foreign Income Tax Rate Differential
Change in valuation allowance
Income Tax Reconciliation Change In Deferred Tax Assets Valuation Allowance
Change in research and development credits
Income Tax Reconciliation Tax Credits Research
Stock based compensation—ISOs
Income Tax Reconciliation Nondeductible Expense Share Based Compensation Cost
Change in fair value of warrants
Income Tax Reconciliation Change In Fair Value Of Warrants
Change in fair value of contingent consideration
Income Tax Reconciliation Change In Fair Value Of Contingent Consideration
Gain on deconsolidation
Income Tax Rate Reconciliation Gain Loss On Deconsolidation Amount
Disallowance of loss on discontinued operations
Income Tax Rate Reconciliation Disallowance Of Loss On Discontinued Operations Amount
Change in net operating loss true up
Income Tax Reconciliation Change In Net Operating Loss
Change in state rate true up
Income Tax Reconciliation Change In State Rate True Up
Change in temporary difference true up
Income Tax Reconciliation Change In Enacted Tax Rate
Other
Income Tax Reconciliation Other Reconciling Items
Provision for income tax benefit
Income Tax Expense Benefit
Amount classified as deferred tax assets or liabilities attributable to disposal group held for sale or disposed of, expected to be disposed of after one year or the normal operating cycle, if longer.
Deferred tax assets lease liability.
Deferred tax liabilities right-of-use assets.
Components Of Deferred Tax Assets [Abstract]
Non-current deferred tax assets:
Deferred Tax Assets Net Noncurrent Classification [Abstract]
Federal and state net operating loss carryforwards
Deferred Tax Assets Operating Loss Carryforwards
Research and other credits
Deferred Tax Assets Tax Credit Carryforwards
Reserves and accruals
Deferred Tax Assets Tax Deferred Expense Reserves And Accruals
Assets held for sale
Disposal Group Including Discontinued Operation Deferred Tax Assets Liabilities Noncurrent
Fixed assets
Deferred Tax Assets Property Plant And Equipment
Capital loss carryover
Deferred Tax Assets Capital Loss Carryforwards
Stock based compensation
Deferred Tax Assets Tax Deferred Expense Compensation And Benefits Share Based Compensation Cost
Lease liability
Deferred Tax Assets Lease Liability
Other deferred tax assets
Deferred Tax Assets Tax Credit Carryforwards Other
Gross non-current deferred tax assets
Deferred Tax Assets Gross Noncurrent
Intangible assets
Deferred Tax Liabilities Goodwill And Intangible Assets Intangible Assets
Right-of-use assets
Deferred Tax Liabilities Right Of Use Assets
Total non-current deferred tax liabilities
Deferred Tax Liabilities Noncurrent
Total deferred tax assets
Deferred Tax Assets Net
Valuation allowance
Deferred Tax Assets Valuation Allowance
Net deferred tax assets
Deferred Tax Assets Liabilities Net
Income Tax Contingency [Table]
Income Tax Contingency [Table]
Income Tax Authority
Income Tax Authority [Axis]
Income Tax Authority
Income Tax Authority [Domain]
U.S. Federal Jurisdiction [Member]
Domestic Country [Member]
State Tax Jurisdiction [Member]
State And Local Jurisdiction [Member]
Foreign Tax Authority [Member]
Foreign Country [Member]
Tax Credit Carryforward
Tax Credit Carryforward [Axis]
Tax Credit Carryforward, Name
Tax Credit Carryforward Name [Domain]
Research Tax Credit Carryforward [Member]
Research [Member]
Income Tax Authority, Name
Income Tax Authority Name [Axis]
Income Tax Authority, Name
Income Tax Authority Name [Domain]
Her Majesty's Revenue and Customs (HMRC) [Member]
Her Majestys Revenue And Customs H M R C [Member]
Internal Revenue Service (IRS) [Member]
Internal Revenue Service I R S [Member]
Income Tax Contingency [Line Items]
Income Tax Contingency [Line Items]
Increase (decrease) in valuation allowance
Valuation Allowance Deferred Tax Asset Change In Amount
Operating loss carryforwards carried forward indefinitely.
Operating loss carryforwards
Operating Loss Carryforwards
Tax credit carryforwards
Tax Credit Carryforward Amount
Operating loss carryforwards, carried forward indefinitely
Operating Loss Carryforwards Carried Forward Indefinitely
Reconciliation Of Unrecognized Tax Benefits Excluding Amounts Pertaining To Examined Tax Returns Roll Forward
Beginning balance
Unrecognized Tax Benefits
Increase related to prior year tax positions
Unrecognized Tax Benefits Increases Resulting From Prior Period Tax Positions
Decrease related to prior year tax positions
Unrecognized Tax Benefits Decreases Resulting From Prior Period Tax Positions
Increase related to current year tax positions
Unrecognized Tax Benefits Increases Resulting From Current Period Tax Positions
Ending balance
Unrecognized assets and liabilities related to uncertain tax positions.
Unrecognized assets and liabilities related to uncertain tax positions
Unrecognized Assets And Liabilities Related To Uncertain Tax Positions
Unrecognized Tax Benefits Offset By Valuation Allowance
Unrecognized Tax Benefits that Would Impact Effective Tax Rate
Unrecognized Tax Benefits That Would Impact Effective Tax Rate
Unrecognized tax benefit offset by change in valuation allowance
Unrecognized Tax Benefits Offset By Valuation Allowance
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Schedule Of Antidilutive Securities Excluded From Computation Of Earnings Per Share [Table]
Series C Warrant To Purchase Common Stock [Member]
Series C Warrant to Purchase Common Stock [Member]
Series C Warrant To Purchase Common Stock [Member]
Series D Warrant To Purchase Common Stock [Member]
Series D Warrant To Purchase Common Stock [Member]
Series D Warrant To Purchase Common Stock [Member]
Warrants Issued to 2010/2012 Convertible Note Holders to Purchase Common Stock [Member]
Convertible Debt Securities [Member]
Options to Purchase Common Stock [Member]
Stock Option [Member]
Warrants Issued in 2009 to Purchase Common Stock [Member]
Warrant [Member]
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Antidilutive Securities Excluded From Computation Of Earnings Per Share [Line Items]
Antidilutive securities excluded from computations of diluted weighted-average shares outstanding
Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount
Matching contribution by Company
Defined Contribution Plan Cost Recognized