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STOCKHOLDERS' EQUITY - Restricted stock unit (Details) - Restricted stock
9 Months Ended
Sep. 30, 2023
USD ($)
$ / shares
shares
STOCKHOLDERS' EQUITY  
Restricted Stock Units, Beginning Balance 2,890,500
Restricted Stock Units, Intrinsic Value Beginning Balance | $ $ 4,480,275
Granted 380,000
Forfeited (372,750)
Restricted Stock Units, Ending Balance 2,897,750
Restricted Stock Units, Intrinsic Value Ending Balance | $ $ 5,447,770
Non-vested, December 1, 2022 312,092
Non-vested, March 31, 2023 | $ / shares $ 3.31
Board of directors  
STOCKHOLDERS' EQUITY  
Restricted Stock Units, Beginning Balance 346,500
Granted 0
Forfeited 0
Restricted Stock Units, Ending Balance 346,500
Executive Management  
STOCKHOLDERS' EQUITY  
Restricted Stock Units, Beginning Balance 779,500
Granted 150,000
Forfeited (150,000)
Restricted Stock Units, Ending Balance 779,500
Other Employees  
STOCKHOLDERS' EQUITY  
Restricted Stock Units, Beginning Balance 1,764,500
Granted 230,000
Forfeited (222,750)
Restricted Stock Units, Ending Balance 1,771,750