XML 30 R24.htm IDEA: XBRL DOCUMENT v3.19.3
Warrants to Purchase Common or Preferred Stock - (Tables)
9 Months Ended
Sep. 30, 2019
Stockholders' Equity Note [Abstract]  
Schedule of Outstanding Warrants
The following warrants to purchase common stock were outstanding as of September 30, 2019:
SharesExercise PriceIssuance dateExpiration date
Common stock warrants282,402$1.84  January 19, 2016January 19, 2026
Common stock warrants74,0181.84March 31, 2016March 31, 2026
Common stock warrants1311.84April 1, 2016April 1, 2026
Common stock warrants (1)83,77814.32September 8, 2017September 8, 2024
Common stock warrants (1)20,94414.32December 7, 2018December 7, 2025
461,273
(1) Prior to the conversion upon IPO, the remaining warrants were for the purchase of Series F redeemable convertible preferred stock.