STOCK PLANS, Restricted Stock (Details) - Restricted Stock [Member]	3 Months Ended	9 Months Ended
	Sep. 30, 2021 USD ($) $ / shares shares	Sep. 30, 2021 USD ($) $ / shares shares
Non-vested restricted stock awards, number of shares [Roll Forward]
Outstanding at beginning of period (in shares) | shares	161,439	148,699
Granted (in shares) | shares	0	43,320
Cancelled / Forfeited (in shares) | shares	(468)	(468)
Exercised / Released / Vested (in shares) | shares	(901)	(31,481)
Outstanding at end of period (in shares) | shares	160,070	160,070
Non-vested restricted stock awards, weighted average grant-date fair value [Roll Forward]
Outstanding at beginning of period (in dollars per share) | $ / shares	$ 10.47	$ 10.31
Granted (in dollars per share) | $ / shares	0	10.50
Cancelled/Forfeited (in dollars per share) | $ / shares	10.55	10.55
Exercised / Released / Vested (in dollars per share) | $ / shares	10.01	9.71
Outstanding at end of period (in dollars per share) | $ / shares	$ 10.47	$ 10.47
Non-vested restricted stock awards, additional disclosures [Abstract]
Outstanding, aggregate intrinsic value | $	$ 1,752,767	$ 1,752,767
Outstanding, weighted average remaining contractual term	2 years 7 months 6 days	2 years 7 months 6 days
Unrecognized compensation related to restricted stock | $	$ 845,000	$ 845,000
Unrecognized compensation cost, period for recognition		2 years 7 months 6 days
Recognized compensation cost | $	$ 105,000	$ 306,000