STOCK-BASED COMPENSATION - Stock Incentive Plan (Details) - $ / shares	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020
Share-based Compensation Arrangement by Share-based Payment
Balance available, beginning of period	548,370	1,017,535
Additional shares approved by stockholders	1,500,000
Deferred under non-employee director's deferral program	(107,754)	(114,005)
Balance available, end of period	1,569,449	548,370
Weighted Average Fair Value at Grant Date, Balance available, beginning of period	$ 0	$ 0
Weighted Average Fair Value at Grant Date, Deferred under non-employee director's deferral program	1.77	1.76
Weighted Average Fair Value at Grant Date, Balance available, end of period	$ 0	$ 0
Share-based Payment Arrangement, Nonemployee [Member]
Share-based Compensation Arrangement by Share-based Payment
Number of Shares, Granted	(61,167)	(59,660)
Weighted Average Fair Value at Grant Date, Granted	$ 1.77	$ 1.65
Share-based Payment Arrangement, Employee [Member]
Share-based Compensation Arrangement by Share-based Payment
Number of Shares, Granted	(310,000)	(295,500)
Weighted Average Fair Value at Grant Date, Granted	$ 1.25	$ 3.01