Quarterly report pursuant to Section 13 or 15(d)

SHARE-BASED PAYMENTS - Stock-based Compensation - Stock options granted (Details)

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SHARE-BASED PAYMENTS - Stock-based Compensation - Stock options granted (Details) - USD ($)
3 Months Ended 6 Months Ended
Jun. 30, 2022
Jun. 30, 2021
Jun. 30, 2022
Jun. 30, 2021
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Stock-based compensation expense $ 119,759 $ 3,568,370 $ 258,852 $ 3,604,346
Unrecognized compensation cost related to non-vested stock option $ 798,184   $ 798,184  
Share-based arrangement, non-vested weighted average period     1 year 9 months 14 days  
Sales and Marketing Expense        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Stock-based compensation expense     $ 28,798 $ 523,151