Annual report pursuant to Section 13 and 15(d)

Stock-Based Compensation - Summary of Stock Option Activity (Details)

v3.21.1
Stock-Based Compensation - Summary of Stock Option Activity (Details) - USD ($)
$ / shares in Units, $ in Thousands
 12 Months Ended
Dec. 31, 2020
Dec. 31, 2019
Share-based Payment Arrangement [Abstract]    
Options outstanding at beginning 377 377
Options, granted 465,017
Options, exercised
Options, forfeited
Options, expired (1)
Options, outstanding at end 465,393 377
Options, exercisable at end 376  
Vested and expected to vest at end 465,393 377
Weighted average exercisable price $ 7,446.69 $ 7,446.69
Weighted average exercise price, granted 0.47
Weighted average exercise price, exercised
Weighted average exercise price, forfeited
Weighted average exercise price, expired
Weighted average exercise price, outstanding at end of period 5.53 7,446.69
Weighted average exercise price, exercisable at end of period 6,977.42  
Weighted average exercise price, vested and expected to vest at end $ 5.53 $ 7,446.69
Weighted average remaining contractual terms (years), outstanding at beginning 5 years 3 months 19 days 6 years 3 months 19 days
Weighted average remaining contractual terms (years), granted 10 years  
Weighted average remaining contractual terms (years), outstanding at ending 9 years 3 months 19 days 5 years 3 months 19 days
Weighted average remaining contractual terms (years), exercisable 4 years 3 months 19 days  
Weighted average remaining contractual terms (years), vested and expected to vest 9 years 3 months 19 days 5 years 3 months 19 days
Intrinsic value, outstanding at beginning of period
Intrinsic value, outstanding at end of period 511,518
Intrinsic value, exercisable at end of period
Intrinsic value, vested and expected to vest end of period $ 511,518