STOCKHOLDERS' EQUITY (Tables)

12 Months Ended

Dec. 31, 2021

STOCKHOLDERS' EQUITY

Schedule of BSM using weighted-average assumptions

These fair values were derived using the BSM with the following weighted-average assumptions:

	For the Years Ended December 31,
	2021		2020
Average risk-free interest rate	0.68	%	0.40	%
Expected dividend yield	—	%	—	%
Expected lives	5.16 years		5.04 years
Expected volatility	82.04	%	79.75	%

Schedule of transaction and other information relating to stock options

Transactions and other information relating to stock options for the years December 31, 2021 and 2020 are summarized below:

				Weighted-Average
				Remaining	Aggregate
	Number of	Weighted-Average		Contractual Term	Intrinsic
	Options	Exercise Price		(In Years)	Value
Outstanding at December 31, 2019	4,197,000	$	2.13	6.70	$	255,000
Grants	879,000	$	1.83	—		—
Exercised	(1,033,000)	$	1.91	—		—
Forfeited/cancelled/expired/settled	(24,000)	$	3.17	—		—
Outstanding at December 31, 2020	4,019,000	$	2.11	6.48	$	41,000
Grants	41,000	$	4.32	—		—
Exercised	(230,000)	$	1.70	—		—
Forfeited/cancelled/expired/settled	(59,000)	$	1.27	—		—
Balance as of December 31, 2021	3,771,000	$	2.18	5.68	$	4,660,000
Vested and expected to vest at December 31, 2021	3,770,000	$	2.17	5.68	$	4,660,000
Unvested at December 31, 2021	21,000	$	7.26	9.76	$	—
Exercisable at December 31, 2021	3,750,000	$	2.15	5.66	$	4,660,000

Schedule of transaction and other information relating to restricted stock grants

Transactions and other information relating to restricted stock grants for the years ended December 31, 2021 and 2020 are summarized below:

		Average
		Fair Value
		at Grant
	Shares	Date
Unvested at December 31, 2019	1,814,000	$	2.14
Grants	1,649,000	$	0.77
Vested	(1,739,000)	$	2.14
Forfeited/cancelled/expired	—	$	—
Unvested at December 31, 2020	1,724,000	$	0.83
Grants	101,000	$	3.22
Vested	(1,749,000)	$	0.83
Forfeited/cancelled/expired	—	$
Unvested at December 31, 2021	76,000	$	3.90