Quarterly report pursuant to Section 13 or 15(d)

Convertible Preferred Stock - Summary of Convertible Preferred Stock (Details)

v3.19.3
Convertible Preferred Stock - Summary of Convertible Preferred Stock (Details)
$ in Thousands
 9 Months Ended
Sep. 30, 2019
USD ($)
shares
Temporary Equity [Line Items]  
Beginning balance $ 43,921
Beginning balance, Shares | shares 12,393,047
Issuance of convertible preferred stock, net of issuance costs $ 50,000
Issuance, Shares | shares 6,963,788
Exchange, including deemed dividend $ 5,326
Issuance costs (1,293)
Ending balance $ 97,954
Ending balance, Shares | shares 19,356,835
Series A Preferred  
Temporary Equity [Line Items]  
Beginning balance $ 12,575
Beginning balance, Shares | shares 3,146,551
Ending balance $ 12,575
Ending balance, Shares | shares 3,146,551
Series A-1 Preferred  
Temporary Equity [Line Items]  
Beginning balance $ 24,994
Beginning balance, Shares | shares 7,372,719
Ending balance $ 24,994
Ending balance, Shares | shares 7,372,719
Series A-2 Preferred  
Temporary Equity [Line Items]  
Beginning balance $ 6,352
Beginning balance, Shares | shares 1,873,777
Exchange, including deemed dividend $ (4,764)
Exchange, including deemed dividend, Shares | shares (1,405,332)
Ending balance $ 1,588
Ending balance, Shares | shares 468,445
Series B Preferred  
Temporary Equity [Line Items]  
Issuance of convertible preferred stock, net of issuance costs $ 50,000
Issuance, Shares | shares 6,963,788
Exchange, including deemed dividend $ 10,090
Exchange, including deemed dividend, Shares | shares 1,405,332
Issuance costs $ (1,293)
Ending balance $ 58,797
Ending balance, Shares | shares 8,369,120