Annual report pursuant to Section 13 and 15(d)

SHARE-BASED COMPENSATION - Restricted Stock Awards (Details)

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SHARE-BASED COMPENSATION - Restricted Stock Awards (Details) - Restricted Stock Awards - USD ($)
12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Vesting period 4 years  
Stock compensation expense $ 836,481 $ 881,319
Unrecognized compensation expense related to unvested restricted share awards $ 946,257  
Unrecognized compensation expense related to unvested restricted share awards recognized over a weighted-average period 2 years