Entity Central Index Key
Cover [Abstract]
Entity Registrant Name
Entity Registrant Name
Entity Central Index Key
Trading Symbol
Trading Symbol
Title of 12(b) Security
Security12b Title
Security Exchange Name
Security Exchange Name
Current Fiscal Year End Date
Current Fiscal Year End Date
Entity Filer Category
Entity Filer Category
Document Annual Report
Document Annual Report
Document Transition Report
Document Transition Report
Entity Small Business
Entity Small Business
Entity Emerging Growth Company
Entity Emerging Growth Company
Entity Ex Transition Period
Entity Ex Transition Period
Entity Shell Company
Entity Shell Company
Document Type
Document Type
Document Period End Date
Document Period End Date
Document Fiscal Year Focus
Document Fiscal Year Focus
Document Fiscal Period Focus
Document Fiscal Period Focus
Amendment Flag
Amendment Flag
Entity Common Stock, Shares Outstanding
Entity Common Stock Shares Outstanding
Entity Well-known Seasoned Issuer
Entity Well Known Seasoned Issuer
Entity Voluntary Filers
Entity Voluntary Filers
Entity Interactive Data Current
Entity Interactive Data Current
Entity Current Reporting Status
Entity Current Reporting Status
Entity Public Float
Entity Public Float
Entity File Number
Entity File Number
Entity Incorporation, State or Country Code
Entity Incorporation State Country Code
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
Statement Of Financial Position [Abstract]
ASSETS
Assets [Abstract]
Current assets:
Assets Current [Abstract]
Cash and cash equivalents
Cash And Cash Equivalents At Carrying Value
Short-term investments
Short Term Investments
Prepaid expenses and other current assets
Prepaid Expense And Other Assets Current
Total current assets
Assets Current
Property and equipment, net
Property Plant And Equipment Net
Prepaid and other long-term assets
Prepaid Expense And Other Assets Noncurrent
Right-of-use asset
Operating Lease Right Of Use Asset
Total assets
Assets
LIABILITIES AND STOCKHOLDERS’ EQUITY
Liabilities And Stockholders Equity [Abstract]
Current liabilities:
Liabilities Current [Abstract]
Accounts payable
Accounts Payable Current
Accrued expenses and other current liabilities
Accrued Liabilities Current
Lease liability
Operating Lease Liability
Total current liabilities
Liabilities Current
Other non-current liabilities
Other Liabilities Noncurrent
Total liabilities
Liabilities
Commitments and contingencies (see Note 6)
Commitments And Contingencies
Stockholders’ equity:
Stockholders Equity [Abstract]
Preferred stock: $0.0001 par value; 20,000,000 shares and no shares authorized at December 31, 2019 and 2018, respectively; no shares issued and outstanding at December 31, 2019 and 2018, respectively
Preferred Stock Value
Common stock: $0.0001 par value; 300,000,000 shares authorized at December 31, 2019 and 2018, respectively; 24,402,631 and 23,233,184 shares issued and outstanding at December 31, 2019 and 2018, respectively
Common Stock Value
Additional paid-in capital
Additional Paid In Capital Common Stock
Accumulated other comprehensive income (loss)
Accumulated Other Comprehensive Income Loss Net Of Tax
Accumulated deficit
Retained Earnings Accumulated Deficit
Total stockholders’ equity
Stockholders Equity
Total liabilities and stockholders’ equity
Liabilities And Stockholders Equity
Preferred stock, par value per share (in USD per share)
Preferred Stock Par Or Stated Value Per Share
Preferred stock, shares authorized (shares)
Preferred Stock Shares Authorized
Preferred stock, shares issued (shares)
Preferred Stock Shares Issued
Preferred stock, shares outstanding (shares)
Preferred Stock Shares Outstanding
Common stock, par value per share (in USD per share)
Common Stock Par Or Stated Value Per Share
Common stock authorized (shares)
Common Stock Shares Authorized
Common stock issued (shares)
Common Stock Shares Issued
Common stock outstanding (shares)
Common Stock Shares Outstanding
Income Statement [Abstract]
Collaboration and license revenue
Revenue From Contract With Customer Including Assessed Tax
Type of Revenue [Extensible List]
Type Of Revenue Extensible List
Operating expenses:
Operating Expenses [Abstract]
Research and development
Research And Development Expense
General and administrative
General And Administrative Expense
Total operating expenses
Operating Expenses
Loss from operations
Operating Income Loss
Interest income and other expense, net
Other Nonoperating Income Expense
Net loss
Net Income Loss
Other comprehensive loss:
Other Comprehensive Income Loss Net Of Tax Period Increase Decrease [Abstract]
Unrealized gain (loss) on available-for-sale securities
Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Net Of Tax
Comprehensive loss
Comprehensive Income Net Of Tax
Net loss attributable to common stockholders per share, basic and diluted
Earnings Per Share Basic And Diluted
Weighted-average number of common shares used to compute basic and diluted net loss per share
Weighted Average Number Of Share Outstanding Basic And Diluted
Temporary equity stock issued during period shares new issues
Adjustment to additional paid in capital vesting of early exercised stock options.
Vesting of restricted stock units value net of taxes withheld.
Vesting of restricted stock units shares net of taxes withheld.
Statement Of Stockholders Equity [Abstract]
Statement [Table]
Statement [Table]
Equity Components
Statement Equity Components [Axis]
Equity Component
Equity Component [Domain]
Common Stock
Common Stock [Member]
Additional Paid-in Capital
Additional Paid In Capital [Member]
Accumulated Deficit
Retained Earnings [Member]
Other Comprehensive Income (loss)
Accumulated Other Comprehensive Income [Member]
Class of Stock
Statement Class Of Stock [Axis]
Class of Stock
Class Of Stock [Domain]
Series A Convertible Preferred Stock
Series A Preferred Stock [Member]
Series B Convertible Preferred Stock
Series B Preferred Stock [Member]
Series C Convertible Preferred Stock
Series C Preferred Stock [Member]
Sale of Stock
Subsidiary Sale Of Stock [Axis]
Sale of Stock
Sale Of Stock Name Of Transaction [Domain]
At the market offering.
At-The-Market Offering
At The Market Offering [Member]
Statement [Line Items]
Statement [Line Items]
Balance, beginning
Preferred stock, beginning (shares)
Temporary Equity Shares Outstanding
Preferred stock, beginning
Temporary Equity Carrying Amount Attributable To Parent
Balance, beginning (shares)
Shares Outstanding
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Increase Decrease In Stockholders Equity Roll Forward
Issuance of preferred stock
Temporary Equity Stock Issued During Period Value New Issues
Issuance of preferred stock (shares)
Temporary Equity Stock Issued During Period Shares New Issues
Conversion of preferred stock to common stock
Stock Issued During Period Value Conversion Of Convertible Securities
Conversion of preferred stock to common stock (shares)
Stock Issued During Period Shares Conversion Of Convertible Securities
Issuance of common stock
Stock Issued During Period Value New Issues
Issuance of common stock (shares)
Stock Issued During Period Shares New Issues
Issuance of common stock on exercise of stock options
Stock Issued During Period Value Stock Options Exercised
Issuance of common stock on exercise of stock options (shares)
Stock Issued During Period Shares Stock Options Exercised
Issuance of common stock under Employee Stock Purchase Plan
Stock Issued During Period Value Employee Stock Purchase Plan
Issuance of common stock under Employee Stock Purchase Plan, (shares)
Stock Issued During Period Shares Employee Stock Purchase Plans
Vesting of early exercised stock options
Adjustment To Additional Paid In Capital Vesting Of Early Exercised Stock Options
Vesting of restricted stock units, net of taxes withheld
Vesting Of Restricted Stock Units Value Net Of Taxes Withheld
Vesting of restricted stock units, net of taxes withheld (shares)
Vesting Of Restricted Stock Units Shares Net Of Taxes Withheld
Stock-based compensation
Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value
Net loss
Balance, ending
Preferred stock, ending (shares)
Preferred stock, ending
Balance, ending (shares)
Temporary equity stock issued issuance costs.
Preferred Stock
Preferred Stock [Member]
Preferred stock issuance costs
Temporary Equity Stock Issued Issuance Costs
Depreciation, Depletion and Amortization, Excluding Amortization of Discounts and Premiums
Amount of amortization expense attributable to right-of-use asset from operating lease.
Increase (Decrease) in Prepaid Expenses and Other Current Assets
Increase decrease in operating lease liability.
Proceeds from issuance of common stock under at the market offering.
Non cash operating lease addition of right-of-use-asset.
Statement Of Cash Flows [Abstract]
Operating activities
Net Cash Provided By Used In Operating Activities [Abstract]
Adjustments to reconcile net loss 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 Depletion And Amortization Excluding Amortization Of Discounts And Premiums
Amortization of right-of-use-asset
Operating Lease Right Of Use Asset Amortization
Amortization of premium on investment securities
Accretion Amortization Of Discounts And Premiums Investments
Stock-based compensation expense
Share Based Compensation
Gain on disposal of equipment
Gain Loss On Sale Of Property Plant Equipment
Accrued interest
Increase Decrease In Interest Payable Net
Change in operating assets and liabilities:
Increase Decrease In Other Operating Assets And Liabilities Net [Abstract]
Accounts receivable
Increase Decrease In Accounts Receivable
Prepaid expenses and other current assets
Increase Decrease In Prepaid Expenses And Other Current Assets
Other long-term assets
Increase Decrease In Other Noncurrent Assets
Accounts payable
Increase Decrease In Accounts Payable
Accrued expenses and other current liabilities
Increase Decrease In Accrued Liabilities
Deferred revenue
Increase Decrease In Contract With Customer Liability
Lease liability
Increase Decrease In Operating Lease Liability
Other non-current liabilities
Increase Decrease In Other Noncurrent Liabilities
Net cash used in operating activities
Net Cash Provided By Used In Operating Activities
Investing activities
Net Cash Provided By Used In Investing Activities [Abstract]
Purchase of property and equipment
Payments To Acquire Property Plant And Equipment
Purchase of investments
Payments To Acquire Investments
Proceeds from sales of investments
Proceeds From Sale Of Available For Sale Securities Debt
Proceeds from maturities of investments
Proceeds From Maturities Prepayments And Calls Of Available For Sale Securities
Net cash provided by (used in) investing activities
Net Cash Provided By Used In Investing Activities
Financing activities
Net Cash Provided By Used In Financing Activities [Abstract]
Issuance of common stock pursuant to public offering, net of issuance costs
Proceeds From Issuance Initial Public Offering
Proceeds from issuance of convertible preferred stock, net of issuance costs
Proceeds From Issuance Of Redeemable Convertible Preferred Stock
Proceeds from stock based award activities, net
Proceeds From Stock Options Exercised
Proceeds from purchases under the Employee Stock Purchase Plan
Proceeds From Stock Plans
Proceeds from issuance of common stock under at-the-market offering
Proceeds From Issuance Of Common Stock Under At The Market Offering
Deferred financing costs
Payments Of Financing Costs
Net cash provided by financing activities
Net Cash Provided By Used In Financing Activities
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 at beginning of period
Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Including Disposal Group And Discontinued Operations
Cash and cash equivalents at end of period
Noncash financing activities
Noncash Investing And Financing Items [Abstract]
Addition of right-of-use-asset
Non Cash Operating Lease Addition Of Right Of Use Asset
Conversion of preferred stock to common stock
Conversion Of Stock Amount Converted1
Deferred financing costs
Debt Issuance Costs Incurred During Noncash Or Partial Noncash Transaction
Organization Consolidation And Presentation Of Financial Statements [Abstract]
Formation and Business of the Company
Nature Of Operations
Accounting Policies [Abstract]
Significant Accounting Policies
Basis Of Presentation And Significant Accounting Policies [Text Block]
Fair Value Disclosures [Abstract]
Fair Value Measurements
Fair Value Measurement Inputs Disclosure [Text Block]
Balance Sheets Components
Supplemental Balance Sheet Disclosures [Text Block]
License Agreements
Collaborative Arrangement Disclosure [Text Block]
Commitments And Contingencies Disclosure [Abstract]
Commitments and Contingencies
Commitments And Contingencies Disclosure [Text Block]
Equity [Abstract]
Convertible Preferred Stock
Preferred Stock [Text Block]
Common Stock
Stockholders Equity Note Disclosure [Text Block]
Disclosure Of Compensation Related Costs Sharebased Payments [Abstract]
Stock-Based Compensation
Disclosure Of Compensation Related Costs Share Based Payments [Text Block]
Earnings Per Share [Abstract]
Net Loss per Share Attributable to Common Stockholders
Earnings Per Share [Text Block]
Income Tax Disclosure [Abstract]
Income Taxes
Income Tax Disclosure [Text Block]
Quarterly Financial Information Disclosure [Abstract]
Selected Unaudited Quarterly Financial Data
Quarterly Financial Information [Text Block]
Subsequent Events [Abstract]
Subsequent Event
Subsequent Events [Text Block]
Basis of Presentation
Basis Of Accounting Policy Policy [Text Block]
Reverse Stock Split
Stockholders Equity Policy [Text Block]
Segments
Segment Reporting Policy Policy [Text Block]
Use of Estimates
Use Of Estimates
Risk and uncertainties policy.
Risk and Uncertainties
Risk And Uncertainties Policy [Text Block]
Cash Equivalents
Cash And Cash Equivalents Policy [Text Block]
Investment Securities
Marketable Securities Policy
Property and Equipment, Net
Property Plant And Equipment Policy [Text Block]
Fair Value of Financial Instruments
Fair Value Of Financial Instruments Policy
Concentration of Credit Risk
Concentration Risk Credit Risk
Income Taxes
Income Tax Policy [Text Block]
Research and Development Expenses
Research And Development Expense Policy
Leases
Lessee Leases Policy [Text Block]
Stock-Based Compensation
Share Based Compensation Option And Incentive Plans Policy
Convertible Preferred Stock
Stockholders Equity Note Redeemable Preferred Stock Issue Policy
Comprehensive Income (Loss)
Comprehensive Income Policy Policy [Text Block]
Revenue Recognition
Revenue Recognition Policy [Text Block]
Net Loss per Share of Common Stock
Earnings Per Share Policy [Text Block]
Recent Accounting Pronouncements
New Accounting Pronouncements Policy Policy [Text Block]
Summary of Assets and Liabilities Carried at Fair Value
Fair Value Assets Measured On Recurring And Nonrecurring Basis Table [Text Block]
Summary of Available-for-sale Securities
Debt Securities Available For Sale Table [Text Block]
Schedule of Accrued Expenses and Other Current Liabilities
Schedule Of Accrued Liabilities Table [Text Block]
Schedule of Future Minimum Lease Payments Under our Operating Leases
Lessee Operating Lease Liability Maturity Table [Text Block]
Schedule Of Share Based Compensation Arrangements By Share Based Payment Award [Table]
Schedule Of Share Based Compensation Arrangements By Share Based Payment Award [Table]
Title of Individual
Title Of Individual [Axis]
Title of Individual
Title Of Individual With Relationship To Entity [Domain]
Employees and directors.
Employees and Directors
Employeesand Directors [Member]
Non-employee.
Non-employees
Nonemployee [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Schedule of Share-based Compensation, Allocation of Recognized Period Costs
Schedule Of Compensation Cost For Share Based Payment Arrangements Allocation Of Share Based Compensation Costs By Plan Table [Text Block]
Schedule of Stock Option and Restricted Stock Activity
Schedule Of Share Based Compensation Activity Table [Text Block]
Schedule of Share-based Payment Award, Stock Options, Valuation Assumptions
Schedule Of Share Based Payment Award Stock Options Valuation Assumptions Table [Text Block]
Schedule of Fair Value Assumptions
Schedule Of Share Based Compensation Arrangement By Share Based Payment Award Options Vested And Expected To Vest Outstanding Table [Text Block]
Schedule of Earnings Per Share, Basic and Diluted
Schedule Of Earnings Per Share Basic And Diluted Table [Text Block]
Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share
Schedule Of Antidilutive Securities Excluded From Computation Of Earnings Per Share [Text Block]
Schedule of Deferred Tax Assets and Liabilities
Schedule Of Deferred Tax Assets And Liabilities Table [Text Block]
Summary of Unrecognized Tax Benefits
Summary Of Income Tax Contingencies [Text Block]
Summary of Unaudited Quarterly Financial Data
Schedule Of Quarterly Financial Information Table [Text Block]
Expected merger closing date.
Schedule Of Capitalization Equity [Table]
Schedule Of Capitalization Equity [Table]
Business Acquisition
Business Acquisition [Axis]
Business Acquisition, Acquiree
Business Acquisition Acquiree [Domain]
Foamix pharmaceuticals limited.
Foamix Pharmaceuticals Ltd
Foamix Pharmaceuticals Limited [Member]
Scenario
Statement Scenario [Axis]
Scenario
Scenario Unspecified [Domain]
Scenario Forecast
Scenario Forecast [Member]
Stock Conversion Description
Conversion Of Stock By Unique Description [Axis]
Conversion of Stock, Name
Conversion Of Stock Name [Domain]
Convertible Stock Converted into Shares of Common Stock [Member]
Convertible Stock Converted into Shares of Common Stock
Convertible Stock Converted Into Shares Of Common Stock [Member]
IPO
I P O [Member]
Over-Allotment Option
Over Allotment Option [Member]
Schedule Of Capitalization Equity [Line Items]
Schedule Of Capitalization Equity [Line Items]
Expected merger closing date
Expected Merger Closing Date
Topical foam percentage for treatment of moderate-to-severe papulopustular rosacea.
Topical foam percentage for treatment of moderate-to-severe papulopustular rosacea
Topical Foam Percentage For Treatment Of Moderate To Severe Papulopustular Rosacea
Business combination share exchange.
Business combination stock issuable subject to stock contingent right adjustment scenario one.
Business combination stock issuable subject to stock contingent right adjustment scenario two.
Merger share exchange
Business Combination Share Exchange
Number of shares to be issued subject to adjustment via contingent stock right if one of phase 3 trials fails
Business Combination Stock Issuable Subject To Stock Contingent Right Adjustment Scenario One
Number of shares to be issued subject to adjustment via contingent stock right if both of phase 3 trials fails
Business Combination Stock Issuable Subject To Stock Contingent Right Adjustment Scenario Two
Shares issued (shares)
Sale Of Stock Number Of Shares Issued In Transaction
Proceeds from issuance initial public offering, net
Common shares issued upon conversion of convertible stock (shares)
Conversion Of Stock Shares Issued1
Net cash used in operating activities
Cash, cash equivalents and investments
Investments And Cash
Schedule Of Stock By Class [Table]
Schedule Of Stock By Class [Table]
Class of Stock [Line Items]
Class Of Stock [Line Items]
Number of shares issued for every share converted in reverse stock split
Stockholders Equity Note Stock Split Conversion Ratio1
Number of operating segments
Number Of Operating Segments
Schedule Of Property Plant And Equipment [Table]
Schedule Of Property Plant And Equipment [Table]
Statistical Measurement
Range [Axis]
Statistical Measurement
Range [Member]
Minimum
Minimum [Member]
Maximum
Maximum [Member]
Property, Plant and Equipment [Line Items]
Property Plant And Equipment [Line Items]
Estimated useful lives of plant and equipment
Property Plant And Equipment Useful Life
Number of financial institutions holding majority of company cash and investments in excess of federally insured limits.
Individual investment percent of Investment portfolio maximum.
Number of financial institutions holding majority of Company cash and cash equivalents and investments in excess of federally insured limits
Number Of Financial Institutions Holding Majority Of Company Cash And Investments In Excess Of Federally Insured Limits
Individual investment limit as a percentage of the total investment portfolio (percent)
Individual Investment Percent Of Investment Portfolio Maximum
Revenues recognized refundable
Revenues
Fair Value By Balance Sheet Grouping [Table]
Fair Value By Balance Sheet Grouping [Table]
Financial Instrument
Financial Instrument [Axis]
Financial Instruments
Transfers And Servicing Of Financial Instruments Types Of Financial Instruments [Domain]
Corporate notes
Corporate Note Securities [Member]
Agency bonds.
Agency bonds
Agency Bonds [Member]
Asset backed securities
Asset Backed Securities [Member]
Government notes
U S Government Agencies Debt Securities [Member]
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
Fair Value Inputs Level1 [Member]
Level 2
Fair Value Inputs Level2 [Member]
Level 3
Fair Value Inputs Level3 [Member]
Cash and Cash Equivalents
Cash And Cash Equivalents [Axis]
Cash and Cash Equivalents
Restricted Cash And Cash Equivalents Cash And Cash Equivalents [Member]
Money market funds
Money Market Funds [Member]
Commercial paper
Commercial Paper [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Fair Value Balance Sheet Grouping Financial Statement Captions [Line Items]
Money market funds
Cash And Cash Equivalents Fair Value Disclosure
Investments
Investments Fair Value Disclosure
Total assets
Assets Fair Value Disclosure
Net asset value measure per share.
Net asset value
Net Asset Value Measure Per Share
Cash cash equivalents and investments.
Schedule Of Available For Sale Securities [Table]
Schedule Of Available For Sale Securities [Table]
Schedule of Available-for-sale Securities [Line Items]
Schedule Of Available For Sale Securities [Line Items]
Available-for-sale securities, amortized cost
Available For Sale Debt Securities Amortized Cost Basis
Available-for-sale securities, unrealized gains
Available For Sale Debt Securities Accumulated Gross Unrealized Gain Before Tax
Available-for-sale securities, unrealized losses
Available For Sale Debt Securities Accumulated Gross Unrealized Loss Before Tax
Available-for-sale securities, fair value
Available For Sale Securities Debt Securities
Total
Cash Cash Equivalents And Investments
Accrued clinical and development expenses.
Accrued personnel expenses
Employee Related Liabilities Current
Accrued clinical and development expenses
Accrued Clinical And Development Expenses
Accrued legal expenses
Accrued Professional Fees Current
Other
Other Accrued Liabilities Current
Total
Collaborative arrangements, potential milestone payments.
Schedule Of Collaborative Arrangements And Noncollaborative Arrangement Transactions [Table]
Schedule Of Collaborative Arrangements And Noncollaborative Arrangement Transactions [Table]
Counterparty Name
Counterparty Name [Axis]
Counterparty Name
Repurchase Agreement Counterparty Name [Domain]
Merck [Member]
Merck
Merck [Member]
Collaborative Arrangement and Arrangement Other than Collaborative
Type Of Arrangement [Axis]
Collaborative Arrangement and Arrangement Other than Collaborative
Arrangements And Nonarrangement Transactions [Member]
Development and Regulatory Milestones.
Development and Regulatory Milestones
Development And Regulatory Milestones [Member]
Product and Service
Product Or Service [Axis]
Product and Service
Products And Services [Domain]
License
License [Member]
Collaboration Agreement
Collaborative Arrangement [Member]
Commercial Milestone [Member]
Commercial Milestone
Commercial Milestone [Member]
JT Torii [Member]
JT Torii
J T Torii [Member]
Development and Regulatory Milestone, Preparation of Investigational New Drug Submission, Milestone One [Member]
Development and Regulatory Milestone, Preparation of Investigational New Drug Submission, Milestone One
Development And Regulatory Milestone Preparation Of Investigational New Drug Submission Milestone One [Member]
Research and Development Arrangement, Contract to Perform for Others, Type
Research And Development Arrangement Contract To Perform For Others By Type [Axis]
Research and Development Arrangement, Contract to Perform for Others, Type
Research And Development Arrangement Contract To Perform For Others Type [Domain]
Research and Development Arrangement
Research And Development Arrangement [Member]
Collaborative Arrangements and Non-collaborative Arrangement Transactions [Line Items]
Collaborative Arrangements And Noncollaborative Arrangement Transactions [Line Items]
Licensing fee
Research And Development In Process
Collaborative arrangements, potential milestone payments
Collaborative Arrangements Potential Milestone Payments
Collaborative agreement milestone payment paid.
Collaborative agreement, milestone payments paid
Collaborative Agreement Milestone Payment Paid
Collaborative arrangements, potential milestone proceeds.
Collaborative agreement, upfront payment received.
Collaborative agreement, upfront payment received
Collaborative Agreement Upfront Payment Received
Collaborative arrangements, potential milestone proceeds
Collaborative Arrangements Potential Milestone Proceeds
Accelerated recognition of deferred revenue, amount of revenue recognized
Contract With Customer Liability Revenue Recognized
Research and development arrangement, contract to perform for others, compensation earned
Research And Development Arrangement Contract To Perform For Others Compensation Earned
Number of milestones.
Number of milestones
Number Of Milestones
Schedule Of Acquired Indefinite Lived Intangible Assets By Major Class [Table]
Schedule Of Acquired Indefinite Lived Intangible Assets By Major Class [Table]
Officers and directors.
Current and Former Officers and Directors
Officers And Directors [Member]
Geographical
Statement Geographical [Axis]
Geographical
Segment Geographical [Domain]
Redwood City, California [Member]
Redwood City, California
Redwood City California [Member]
Acquired Indefinite Lived Intangible Assets [Line Items]
Acquired Indefinite Lived Intangible Assets [Line Items]
Payments for settlement
Payments For Legal Settlements
Operating Lease, Monthly Rent Expense
Operating lease amendment date.
Operating lease, term of contract
Lessee Operating Lease Term Of Contract
Leased office space, square footage
Area Of Real Estate Property
Operating lease, monthly expense
Operating Lease Monthly Rent Expense
Operating lease amendment date
Operating Lease Amendment Date
Operating lease extended term
Lessee Operating Lease Renewal Term
Operating lease, option to extend
Lessee Operating Lease Existence Of Option To Extend
Operating lease option to extend, description
Lessee Operating Lease Option To Extend
Operating lease, discount rate, percent
Lessee Operating Lease Discount Rate
Operating lease, right-of-use asset, amortization
Operating lease, Remaining lease term
Operating Lease Weighted Average Remaining Lease Term1
Operating lease, rent expense
Operating Lease Expense
Lessee, operating leases present value adjustment.
Maturities of lease liability
Operating Lease Liabilities Payments Due [Abstract]
2020
Lessee Operating Lease Liability Payments Due Next Twelve Months
Present value adjustment
Lessee Operating Leases Present Value Adjustment
Present value of lease payments
Lessee Operating Lease Liability Payments Due
Convertible preferred stock
Convertible Preferred Stock [Member]
Preferred stock authorized (shares)
Temporary Equity Shares Authorized
Preferred stock, par value per share (in USD per share)
Temporary Equity Par Or Stated Value Per Share
Temporary Equity Issued, Price per Share
Preferred shares issued, price per share (in USD per share)
Temporary Equity Issued Priceper Share
Common shares issued upon conversion of convertible stock (shares)
Convertible Preferred Stock Shares Issued Upon Conversion
Preferred stock outstanding (shares)
Preferred stock, liquiditiy preference per share (in USD per share)
Temporary Equity Liquidation Preference Per Share
Temporary Equity, Dividend Rate, Per-Dollar-Amount
Preferred stock, dividend per annum (in USD per share)
Temporary Equity Dividend Rate Per Dollar Amount
Number of Directors Temporary Equity Holders are Entitled to Elect
Number of Directors Common Shareholders are Entitled to Elect
Number of directors preferred shareholders are entitled to elect
Numberof Directors Temporary Equity Holdersare Entitledto Elect
Number of directors common shareholders are entitled to elect
Numberof Directors Common Shareholdersare Entitledto Elect
Temporary Equity, Terms of Conversion, Trigger, Minimum Proceeds from Public Offering
Temporary Equity, Terms of Conversion, Trigger, Minimum Pricer per Share in Public Offering
Threshold proceeds of public stock offering of Company common shares that triggers automatic conversion of preferred convertible shares into common shares
Temporary Equity Termsof Conversion Trigger Minimum Proceedsfrom Public Offering
Threshold price per share in public stock offering of Company common shares that triggers automatic conversion of preferred convertible shares into common shares (in USD per share)
Temporary Equity Termsof Conversion Trigger Minimum Pricerper Sharein Public Offering
Increase in common stock capital shares reserved for future issuance.
Plan Name
Plan Name [Axis]
Plan Name
Plan Name [Domain]
2011 Stock Incentive Plan [Member]
2011 Stock Incentive Plan
A2011 Stock Incentive Plan [Member]
2018 Omnibus Incentive Plan [Member]
2018 Omnibus Incentive Plan
A2018 Omnibus Incentive Plan [Member]
Award Type
Award Type [Axis]
Award Type
Share Based Compensation Arrangements By Share Based Payment Award Award Type And Plan Name [Domain]
Stock Options
Employee Stock Option [Member]
2018 Employee Stock Purchase Plan [Member]
2018 Employee Stock Purchase Plan
A2018 Employee Stock Purchase Plan [Member]
Income Statement Location
Income Statement Location [Axis]
Income Statement Location
Income Statement Location [Domain]
Research and development
Research And Development Expense [Member]
General and administrative
General And Administrative Expense [Member]
Restricted Stock Units
Restricted Stock Units R S U [Member]
2018 Employee Stock Purchase Plan
Option expiration period
Sharebased Compensation Arrangement By Sharebased Payment Award Expiration Period
Option vesting period
Share Based Compensation Arrangement By Share Based Payment Award Award Vesting Period1
Share reserve increased by number of shares
Increase In Common Stock Capital Shares Reserved For Future Issuance
Shares available for issuance under the Plan (shares)
Share Based Compensation Arrangement By Share Based Payment Award Number Of Shares Available For Grant
Share based compensation arrangement by share based payment award purchase of common stock offer period.
Purchase of common stock commence date.
Purchase of common stock offer period under the plan
Share Based Compensation Arrangement By Share Based Payment Award Purchase Of Common Stock Offer Period
Discount rate from price of common stock on purchase date
Share Based Compensation Arrangement By Share Based Payment Award Discount From Market Price Purchase Date
Commencement date to purchase common stock under the ESPP
Purchase Of Common Stock Commence Date
Shares available under the Plan (shares)
Common Stock Capital Shares Reserved For Future Issuance
Total stock-based compensation expense
Allocated Share Based Compensation Expense
Unamortized compensation expense
Employee Service Share Based Compensation Nonvested Awards Total Compensation Cost Not Yet Recognized
Unamortized compensation expense, recognition period
Employee Service Share Based Compensation Nonvested Awards Total Compensation Cost Not Yet Recognized Period For Recognition1
Early exercised stock options.
Early Exercised Stock Options
Early Exercised Stock Options [Member]
Balances, beginning (shares)
Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Number
Granted (shares)
Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period Gross
Exercised (shares)
Forfeited/expired (shares)
Share Based Compensation Arrangement By Share Based Payment Award Options Forfeitures And Expirations In Period
Balances, ending (shares)
Outstanding, exercise price per share (in USD per share)
Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Weighted Average Exercise Price
Granted, exercise price per share (in USD per share)
Share Based Compensation Arrangements By Share Based Payment Award Options Grants In Period Weighted Average Exercise Price
Exercised, exercise price per share (in USD per share)
Share Based Compensation Arrangements By Share Based Payment Award Options Exercises In Period Weighted Average Exercise Price
Forfeited/expired, exercise price per share (in USD per share)
Share Based Compensation Arrangement By Share Based Payment Award Options Forfeitures And Expirations In Period Weighted Average Exercise Price
Outstanding, exercise price per share (in USD per share)
Options outstanding, weighted average remaining contractual term
Sharebased Compensation Arrangement By Sharebased Payment Award Options Outstanding Weighted Average Remaining Contractual Term2
Options outstanding, aggregate intrinsic value
Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Intrinsic Value
Unvested options included in early exercise (shares)
Sharebased Compensation Arrangement By Sharebased Payment Award Options Nonvested Number Of Shares
Proceeds from stock options exercised including net of vesting restricted stock unit.
Proceeds from the exercise of stock options
Proceeds From Stock Options Exercised Including Net Of Vesting Restricted Stock Unit
Liability for early exercise of stock options
Deferred Compensation Sharebased Arrangements Liability Current And Noncurrent
Aggregate intrinsic value of shares exercised during the year
Share Based Compensation Arrangement By Share Based Payment Award Options Exercises In Period Total Intrinsic Value
Weighted average grant date fair value of options granted (in USD per share)
Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period Weighted Average Grant Date Fair Value
Granted
Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Grants In Period
Weighted-average award fair value
Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Grants In Period Weighted Average Grant Date Fair Value
Cancelled
Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Forfeited In Period
Number of accelerated vesting shares
Sharebased Compensation Arrangement By Sharebased Payment Award Accelerated Vesting Number
Number of remaining unvested shares
Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Nonvested Number
Expected dividend yield
Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Expected Dividend Payments
Expected term (in years)
Sharebased Compensation Arrangement By Sharebased Payment Award Fair Value Assumptions Expected Term1
Volatility, minimum (percent)
Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Expected Volatility Rate Minimum
Volatility, maximum (percent)
Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Expected Volatility Rate Maximum
Risk-free interest rate, minimum (percent)
Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Risk Free Interest Rate Minimum
Risk-free interest rate, maximum (percent)
Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Risk Free Interest Rate Maximum
Dividend yield (percent)
Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Expected Dividend Rate
Expected option term
Expected volatility
Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Expected Volatility Rate
Risk-free interest rate
Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Risk Free Interest Rate
Expected dividend yield
Net loss attributable to common stockholders, basic
Net Income Loss Available To Common Stockholders Basic
Weighted-average common shares outstanding
Weighted Average Number Of Shares Issued Basic
Less: weighted-average common shares subject to repurchase
Weighted Average Number Of Shares Common Stock Subject To Repurchase Or Cancellation
Weighted-average common shares used to compute basic and diluted net loss per share
Schedule Of Antidilutive Securities Excluded From Computation Of Earnings Per Share [Table]
Schedule Of Antidilutive Securities Excluded From Computation Of Earnings Per Share [Table]
Antidilutive Securities
Antidilutive Securities Excluded From Computation Of Earnings Per Share By Antidilutive Securities [Axis]
Antidilutive Securities, Name
Antidilutive Securities Name [Domain]
Options Outstanding [Member]
Stock options outstanding
Options Outstanding [Member]
Stock options and restricted stock units available for issuance.
Stock options and restricted stock units available for issuance
Stock Options And Restricted Stock Units Available For Issuance [Member]
Restricted stock units outstanding
Restricted Stock [Member]
Outstanding Common Stock Subject to Repurchase [Member]
Outstanding common stock subject to repurchase
Outstanding Common Stock Subject To Repurchase [Member]
Shares issuable related to employee stock purchase plan.
Shares issuable related to ESPP
Shares Issuable Related To Employee Stock Purchase Plan [Member]
Convertible preferred stock issuable upon conversion to common stock
Antidilutive Securities Excluded From Computation Of Earnings Per Share [Line Items]
Antidilutive Securities Excluded From Computation Of Earnings Per Share [Line Items]
Potentially dilutive securities excluded from the calculation of EPS
Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount
Operating Loss Carryforwards [Table]
Operating Loss Carryforwards [Table]
Tax Credit Carryforward
Tax Credit Carryforward [Axis]
Tax Credit Carryforward, Name
Tax Credit Carryforward Name [Domain]
Research Development Tax Credit
Research [Member]
Income Tax Authority
Income Tax Authority [Axis]
Income Tax Authority
Income Tax Authority [Domain]
Federal Tax
Domestic Country [Member]
State Tax
State And Local Jurisdiction [Member]
Tax Period
Tax Period [Axis]
Tax Period
Tax Period [Domain]
Earliest Tax Year
Earliest Tax Year [Member]
Latest Tax Year
Latest Tax Year [Member]
Operating Loss Carryforwards [Line Items]
Operating Loss Carryforwards [Line Items]
Provision or benefit for income taxes
Income Tax Expense Benefit
Net Operating Loss
Deferred Tax Assets Operating Loss Carryforwards
Depreciation and Amortization
Deferred Tax Assets Property Plant And Equipment
Stock-Based Compensation
Deferred Tax Assets Tax Deferred Expense Compensation And Benefits Share Based Compensation Cost
Research & Development Credits
Deferred Tax Assets Tax Credit Carryforwards Research
Deferred Revenue
Deferred Tax Assets Deferred Income
Other Accruals
Deferred Tax Assets Tax Deferred Expense Reserves And Accruals Other
Total Deferred Tax Assets
Deferred Tax Assets Gross
Valuation Allowance
Deferred Tax Assets Valuation Allowance
Net Deferred Tax Assets
Deferred Tax Assets Liabilities Net
Increase in valuation allowance
Valuation Allowance Deferred Tax Asset Change In Amount
Operating loss carryforwards, subject to expiration.
Operating loss carryforwards available indefinitely.
Operating loss carryforwards expiration beginning year.
Tax credit carryforward expiration beginning year.
Operating loss carryforwards
Operating Loss Carryforwards
Operating loss carryforwards expiration
Operating Loss Carryforwards Subject To Expiration
Operating loss carryforwards available indefinitely
Operating Loss Carryforwards Available Indefinitely
Operating loss carryforwards expiration beginning year
Operating Loss Carryforwards Expiration Beginning Year
Tax credit carryforward
Tax Credit Carryforward Amount
Tax credit carryforward expiration beginning year
Tax Credit Carryforward Expiration Beginning Year
Accrued interest and penalties related to uncertain tax positions
Unrecognized Tax Benefits Income Tax Penalties And Interest Accrued
Tax year open to examination
Income Tax Examination Year Under Examination
Unrecognized Benefit beginning of period
Unrecognized Tax Benefits
Gross Increases - prior period tax positions
Unrecognized Tax Benefits Increases Resulting From Prior Period Tax Positions
Gross Increases - current period tax positions
Unrecognized Tax Benefits Increases Resulting From Current Period Tax Positions
Unrecognized Benefit - end of period
Operating expenses
Other income (expense), net
Interest Income Expense Nonoperating Net
Basic and diluted net loss per common share
Subsequent Event [Table]
Subsequent Event [Table]
Foamix.
Foamix
Foamix [Member]
Subsequent Event [Line Items]
Subsequent Event [Line Items]
Severance payments
Severance Costs1
Transaction related expenses accrued.
Transaction related expenses
Business Acquisition Cost Of Acquired Entity Transaction Costs
Transaction related costs incurred during period
Business Combination Acquisition Related Costs
Transaction related costs accrued
Transaction Related Expenses Accrued