Quarterly report pursuant to Section 13 or 15(d)

Stock-Based Compensation - Additional information (Details)

v3.22.0.1
Stock-Based Compensation - Additional information (Details) - USD ($)
$ / shares in Units, $ in Millions
3 Months Ended 12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Sep. 30, 2021
Stock-Based Compensation      
Unrecognized compensation costs $ 3.5    
Weighted-average amortization period 1 year 4 months 24 days    
Intrinsic value of stock options exercised $ 0.1 $ 0.1  
Weighted average grant date fair value of options granted $ 2.33 $ 5.20  
Stock options granted to consultant for future services     225,000
Unvested restricted stock      
Stock-Based Compensation      
Weighted-average amortization period 0 years    
2016 Plan      
Stock-Based Compensation      
Number of common stock authorized 291,667    
Common shares were available for future grants 147,041    
2019 Plan      
Stock-Based Compensation      
Number of common stock authorized 6,018,136    
Common shares were available for future grants 1,869,770