STOCK-BASED COMPENSATION - Stock Option Award Activity (Details) - Common Stock Options - $ / shares	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020
Number of Options
Outstanding at the beginning of the year (in shares)	1,140,975
Granted (in shares)	5,000
Exercised (in shares)	(105,098)
Canceled/Forfeited (in shares)	(95,801)
Outstanding at the end of the reporting period (in shares)	945,076	1,140,975
Number of Options Exercisable
Exercisable at the beginning of the year (in shares)	955,302
Vested (in shares)	74,198
Exercised (in shares)	(105,098)
Canceled/Forfeited (in shares)	(75,192)
Exercisable at the end of the reporting period (in shares)	849,210	955,302
Weighted Average Exercise Price
Outstanding at the beginning of period (in dollars per share)	$ 4.46
Granted (in dollars per share)	5.31
Exercised (in dollars per share)	2.79
Forfeited (in dollars per share)	4.90
Outstanding at the end of the reporting period (in dollars per share)	4.60	$ 4.46
Weighted Average Exercise Price Exercisable
Exercisable at the beginning of the reporting period (in dollars per share)	4.74
Vested exercisable (in dollars per share)	3.44
Exercised (in dollars per share)	2.79
Canceled/Forfeited (in dollars per share)	5.55
Exercisable at the end of the reporting period (in dollars per share)	4.79	4.74
Weighted Average Grant Date Fair Value
Outstanding at the beginning of the reporting period (in dollars per share)	2.81
Options granted (in dollars per share)	4.04
Exercised (in dollars per share)	1.69
Forfeited (in dollars per share)	3.02
Outstanding at the end of the reporting period (in dollars per share)	2.92	2.81
Weighted Average Grant Date Fair Value Exercisable
Exercisable at the beginning of the reporting period (in dollars per share)	2.96
Vested options exercisable (in dollars per share)	2.32
Exercised (in dollars per share)	1.69
Forfeited options exercisable (in dollars per share)	3.35
Exercisable at the end of the reporting period (in dollars per share)	$ 3.02	$ 2.96
Weighted Average Remaining Life In Years
Outstanding, Weighted average remaining life (in years)	4 years 8 months 4 days	5 years 8 months 8 days
Granted, Weighted average remaining life (in years)	9 years 14 days
Weighted Average Remaining Life Exercisable
Outstanding, Weighted average remaining contractual term (in years)	4 years 3 months 25 days	5 years 1 month 6 days
Vested, Weighted average remaining live (in years)	6 years 7 months 28 days