STOCKHOLDERS' EQUITY (Tables)

12 Months Ended

Dec. 31, 2022

STOCKHOLDERS' EQUITY

Summary of activity for stock options and restricted stock

				Weighted-
				average
		Weighted-		contractual
	Number of	average		term	Aggregate
	shares	exercise price		(in years)	intrinsic value
Outstanding at January 1, 2020	2,605,730		6.73	8.92		11,706,110
Granted	75,000		8.21
Exercised	(35,814)		4.10
Forfeited	(118,750)		10.16
Expired	-		-
Outstanding at December 31, 2020	2,526,166		6.99	8.10	$	115,472,832
Granted	—	$	—
Exercised	(52,694)		4.10
Forfeited	(5,935)		4.10
Expired	—		—
Outstanding at December 31, 2021	2,467,537	$	7.06	6.99	$	29,503,551
Granted	2,975,000		7.00
Exercised	(142,409)		4.10
Forfeited	(164,443)		7.84
Expired	—		—
Outstanding at December 31, 2022	5,135,685	$	7.10	5.09	$	25,064,799
Exercisable at December 31, 2022	2,107,583	$	6.70	5.64	$	11,238,429

Schedule of Fair Value Assumptions

	Year Ended
	December 31, 2022		December 31, 2021	December 31, 2020
Volatility	88.37-89.67	%	N/A	186.91-191.05	%
Expected term (in years)	3.13-4.0		N/A	5.0-6.25
Risk-free rate	2.99-3.35	%	N/A	0.34-0.54	%
Expected dividend yield	—	%	N/A	—	%

Schedule of Nonvested Restricted Stock Units Activity

		Weighted-average
		grant date fair
	Number of shares	value
Outstanding at January 1, 2020	7,091,789	$	7.78
Granted	4,909,829		20.34
Vested	(1,087,918)		8.40
Forfeited	(128,666)		8.70
Outstanding at December 31, 2020	10,785,034		13.38
Granted	2,738,974		39.49
Vested	(1,302,737)		18.14
Forfeited	(189,231)		21.80
Outstanding at December 31, 2021	12,032,040		18.67
Granted	5,179,201		12.75
Vested	(6,291,999)		11.28
Forfeited	(2,186,956)		22.44
Outstanding at December 31, 2022	8,732,286	$	16.12