Quarterly report pursuant to Section 13 or 15(d)

Stock-Based Compensation - Stock Option Activity (Details)

v3.22.1
Stock-Based Compensation - Stock Option Activity (Details) - USD ($)
$ / shares in Units, $ in Thousands
 3 Months Ended 12 Months Ended
Mar. 31, 2022
Sep. 30, 2021
Dec. 31, 2021
Number of Shares      
Number of shares, beginning outstanding (in shares) 925,467    
Number of shares, granted (in shares) 0 50,000  
Number of shares, exercised (in shares) (22,757)    
Number of shares, forfeited (in shares) (5,481)    
Number of shares, ending outstanding (in shares) 897,229   925,467
Number of shares, exercisable (in shares) 892,953    
Weighted Average Exercise Price      
Weighted average exercise price, beginning outstanding (in dollars per share) $ 0.80    
Weighted average exercise price, granted (in dollars per share) 0 $ 1.08  
Weighted average exercise price, released (in dollars per share) 0.68    
Weighted average exercise price, forfeited (in dollars per share) 2.00    
Weighted average exercise price, ending outstanding (in dollars per share) 0.80   $ 0.80
Weighted average exercise price, exercisable (in dollars per share) $ 0.79    
Weighted Average Remaining Contractual Term (years)      
Weighted average remaining contractual term 5 years 5 months 15 days   5 years 7 months 2 days
Weighted average remaining contractual term, exercisable (in years) 5 years 5 months 15 days    
Aggregate Intrinsic Value      
Aggregate intrinsic value $ 1,779   $ 1,692
Aggregate intrinsic value, exercisable $ 1,777