XML 58 R47.htm IDEA: XBRL DOCUMENT v3.20.2
Redeemable Convertible Preferred Stock - Summary of Redeemable Convertible Preferred Stock Outstanding (Details)
$ in Thousands
Dec. 31, 2018
USD ($)
shares
Temporary Equity [Line Items]  
Redeemable convertible preferred stock, Shares Authorized 75,238,150
Redeemable convertible preferred stock, Shares Issued 18,474,742
Redeemable convertible preferred stock, Shares Outstanding 18,474,742
Redeemable convertible preferred stock, Aggregate Liquidation Preference | $ $ 89,784
Redeemable convertible preferred stock, Net Carrying Value | $ $ 89,404
Series A Redeemable Convertible Preferred Stock  
Temporary Equity [Line Items]  
Redeemable convertible preferred stock, Shares Authorized 31,250,000
Redeemable convertible preferred stock, Shares Issued 7,812,497
Redeemable convertible preferred stock, Shares Outstanding 7,812,497
Redeemable convertible preferred stock, Aggregate Liquidation Preference | $ $ 20,500
Redeemable convertible preferred stock, Net Carrying Value | $ $ 20,261
Series B Redeemable Convertible Preferred Stock  
Temporary Equity [Line Items]  
Redeemable convertible preferred stock, Shares Authorized 19,288,150
Redeemable convertible preferred stock, Shares Issued 4,799,548
Redeemable convertible preferred stock, Shares Outstanding 4,799,548
Redeemable convertible preferred stock, Aggregate Liquidation Preference | $ $ 22,078
Redeemable convertible preferred stock, Net Carrying Value | $ $ 22,047
Series C Redeemable Convertible Preferred Stock  
Temporary Equity [Line Items]  
Redeemable convertible preferred stock, Shares Authorized 24,700,000
Redeemable convertible preferred stock, Shares Issued 5,862,697
Redeemable convertible preferred stock, Shares Outstanding 5,862,697
Redeemable convertible preferred stock, Aggregate Liquidation Preference | $ $ 47,206
Redeemable convertible preferred stock, Net Carrying Value | $ $ 47,096