Quarterly report pursuant to Section 13 or 15(d)

Stockholders' Equity - Restricted Stock Units and Restricted Stock Awards - Stock-based compensation expenses (Details)

v3.22.2.2
Stockholders' Equity - Restricted Stock Units and Restricted Stock Awards - Stock-based compensation expenses (Details) - USD ($)
3 Months Ended 6 Months Ended
Jun. 30, 2022
Jun. 30, 2021
Jun. 30, 2022
Jun. 30, 2021
Unvested restricted stock units/awards        
Share-based Compensation Arrangement by Share-based Payment Award, Compensation Cost [Line Items]        
Share-based compensation $ 43,000 $ 100,000 $ 600,000 $ 200,000