STOCK AWARD PLAN AND STOCK-BASED COMPENSATION - Schedule of Stock-Based Compensation Expense Included in the Company's Consolidated Statements of Operations (Details) - USD ($)	3 Months Ended		9 Months Ended
	Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Stock based compensation expense	$ 1,036,874	$ 1,114,526	$ 3,161,135	$ 4,014,650
Research and Development
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Stock based compensation expense	518,920	541,332	1,534,899	1,826,881
General and Administrative
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Stock based compensation expense	$ 517,954	$ 573,194	$ 1,626,236	$ 2,187,769