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STOCK AWARDS, WARRANTS AND OPTIONS - Stock-based Compensation Expense (Details) - USD ($)
3 Months Ended 6 Months Ended
Jun. 30, 2023
Jun. 30, 2022
Jun. 30, 2023
Jun. 30, 2022
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items]        
Stock-based compensation cost $ 1,618,712 $ 1,157,904 $ 3,813,496 $ 2,223,233
General and administrative        
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items]        
Stock-based compensation cost 1,168,262 910,638 2,922,485 1,768,221
Research and development        
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items]        
Stock-based compensation cost $ 450,450 $ 247,266 $ 891,011 $ 455,012