Quarterly report pursuant to Section 13 or 15(d)

SHARE-BASED COMPENSATION - Restricted Stock Awards (Details)

v3.21.2
SHARE-BASED COMPENSATION - Restricted Stock Awards (Details) - Restricted Stock Awards - USD ($)
3 Months Ended 9 Months Ended
Sep. 30, 2021
Sep. 30, 2020
Sep. 30, 2021
Sep. 30, 2020
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Vesting period     4 years  
Stock compensation expense $ 144,585 $ 158,739 $ 691,896 $ 722,580
Unrecognized compensation expense related to unvested restricted share awards $ 1,090,842   $ 1,090,842  
Unrecognized compensation expense related to unvested restricted share awards recognized over a weighted-average period     2 years