STOCKHOLDERS' EQUITY - Additional Information (Details) - USD ($)	6 Months Ended
	Jun. 30, 2023	Jun. 30, 2022
STOCKHOLDERS' EQUITY
Stock option expense	$ 2,824,918	$ 4,100,027
Compensation cost related to nonvested awards not yet recognized	$ 24,525,733
Compensation cost related to nonvested awards not yet recognized, expected weighted-average period for recognition	2 years 2 months 4 days
2015 Equity Incentive Plan
STOCKHOLDERS' EQUITY
Maximum number of shares authorized to issue	11,590,000