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
Mar. 31, 2022
Mar. 31, 2021
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Stock-based compensation expense $ 139,093 $ 36,976
Unrecognized compensation cost related to non-vested stock option $ 917,943  
Share-based arrangement, non-vested weighted average period 2 years 14 days  
Sales and Marketing Expense    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Stock-based compensation expense $ 1,254,694  
General and Administrative Expense.    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Stock-based compensation expense $ 14,399