EQUITY INCENTIVE PLAN (Summary of Stock Option Activity) (Details) - Stock Options [Member] - $ / shares	6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021
Number of Options
Outstanding at beginning of period (in shares)	2,635,287
Granted (in shares)	1,074,000	325,050
Forfeited (in shares)	(48,830)	(24,147)
Outstanding at end of period (in shares)	3,660,457
Exercisable at end of period (in shares)	1,605,306
Weighted-Average Exercise Price
Outstanding at beginning of period (in dollars per share)	$ 3.38
Granted (in dollars per share)	1.51	$ 2.13
Forfeited (in dollars per share)	2.44	$ 5.04
Outstanding at end of period (in dollars per share)	2.85
Exercisable at end of period (in dollars per share)	$ 3.46