Quarterly report pursuant to Section 13 or 15(d)

Summary of Stock Option Activity (Details)

v3.22.1
Summary of Stock Option Activity (Details) - USD ($)
$ / shares in Units, $ in Thousands
 3 Months Ended
Mar. 31, 2022
Mar. 31, 2021
Share-Based Payment Arrangement [Abstract]    
Options outstanding at beginning 833,892 465,393
Weighted average exercisable price $ 3.91 $ 5.53
Weighted average remaining contractual terms (years), outstanding at beginning 8 years 8 months 12 days 9 years 3 months 18 days
Intrinsic value, outstanding at beginning of period $ 87,553  
Options, granted 357,000 368,500
Weighted average exercise price, granted $ 0.49 $ 1.93
Weighted average remaining contractual terms (years), granted 10 years 10 years
Options, exercised
Weighted average exercise price, exercised
Options, forfeited
Weighted average exercise price, forfeited
Options, expired (3)
Weighted average exercise price, expired $ 139,237.86
Options, outstanding at end 1,190,889 833,893
Weighted average exercise price, outstanding at end of period $ 2.38 $ 3.98
Weighted average remaining contractual terms (years), outstanding at ending 8 years 10 months 24 days 9 years 4 months 24 days
Intrinsic value, outstanding at end of period $ 114,500 $ 698,913
Options, exercisable at end 387,212 376
Weighted average exercise price, exercisable at end of period $ 6.02 $ 6,977.42
Weighted average remaining contractual terms (years), exercisable 8 years 3 months 18 days 4 years 1 month 6 days
Intrinsic value, exercisable at end of period $ 44,652
Options, Vested and expected to vest at end 1,178,659 833,893
Weighted average exercise price, vested and expected to vest at end $ 2.44 $ 3.98
Weighted average remaining contractual terms (years), vested and expected to vest 8 years 10 months 24 days 9 years 4 months 24 days
Intrinsic value, vested and expected to vest end of period $ 117,100 $ 698,913