STOCK PLANS, Stock Options (Details) - Stock Options [Member] - USD ($)	3 Months Ended		6 Months Ended
	Jun. 30, 2023	Mar. 31, 2023	Jun. 30, 2023	Jun. 30, 2022
Stock options, number of shares [Roll Forward]
Balance, beginning of period (in shares)	663,678	684,837	684,837
Granted (in shares)	0		0
Expired (in shares)	0		0
Cancelled / Forfeited (in shares)	0		0
Exercised (in shares)	0		(21,159)
Balance, end of period (in shares)	663,678	663,678	663,678
Exercisable (vested) at end of period (in shares)	578,314		578,314
Stock options, weighted average exercise price [Roll Forward]
Balance, beginning of period (in dollars per share)	$ 8.56	$ 8.41	$ 8.41
Granted (in dollars per share)	0		0
Expired (in dollars per share)	0		0
Cancelled / Forfeited (in dollars per share)	0		0
Exercised (in dollars per share)	0		3.83
Balance, end of period (in dollars per share)	8.56	$ 8.56	8.56
Exercisable (vested) at end of period (in dollars per share)	$ 8.39		$ 8.39
Stock options, additional disclosures [Abstract]
Outstanding, aggregate intrinsic value	$ 240,488		$ 240,488
Exercisable (vested), aggregate intrinsic value	$ 240,488		$ 240,488
Outstanding, weighted average remaining contractual term	4 years 11 months 12 days		4 years 11 months 12 days
Exercisable (vested), weighted average remaining contractual term	4 years 6 months 29 days		4 years 6 months 29 days
Intrinsic value of options exercised			$ 97,000	$ 125,000
Fair value of awards vested			123,000	$ 142,000
Unrecognized compensation related to non-vested stock options	$ 109,000		$ 109,000
Unrecognized compensation cost, period for recognition			1 year 11 months 19 days
Recognized compensation cost	$ 22,000		$ 49,000