Annual report pursuant to Section 13 and 15(d)

Stock-based Compensation - Option activity (Details)

v3.21.1
Stock-based Compensation - Option activity (Details) - USD ($)
$ / shares in Units, $ in Thousands
12 Months Ended
Dec. 31, 2020
Dec. 31, 2019
Number of Shares    
Outstanding beginning balance 1,512  
Granted 209  
Forfeited (973)  
Exercised (424)  
Outstanding ending balance 324 1,512
Weighted Average Exercise Price    
Outstanding beginning balance (in dollars per share) $ 0.02  
Granted (in dollars per share) 0.02  
Forfeited (in dollars per share) 0.01  
Exercised (in dollars per share) 0.02  
Outstanding ending balance (in dollars per share) $ 0.02 $ 0.02
Additional disclosures    
Weighted average remaining contractual life (years) 8 years 5 months 19 days 9 years 7 months 20 days
Aggregate Intrinsic Value, outstanding $ 137 $ 637