EQUITY INCENTIVE PLAN (Summary of Stock Option Activity) (Details) - Stock Options [Member] - $ / shares	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021
Number of Options
Outstanding at beginning of period (in shares)	2,635,287
Granted (in shares)	1,004,000	591,097
Forfeited (in shares)	(3,800)	(55,993)
Outstanding at end of period (in shares)	3,635,487
Exercisable at end of period (in shares)	1,490,162
Weighted-Average Exercise Price
Outstanding at beginning of period (in dollars per share)	$ 3.38
Granted (in dollars per share)	1.54	$ 2.16
Forfeited (in dollars per share)	4.95	$ 2.25
Outstanding at end of period (in dollars per share)	2.87
Exercisable at end of period (in dollars per share)	$ 3.56