STOCK PLANS, Stock Options (Details) - Stock Options [Member] - USD ($)	3 Months Ended		9 Months Ended
	Sep. 30, 2020		Sep. 30, 2020	Sep. 30, 2019
Stock options, number of shares [Roll Forward]
Balance, beginning of period (in shares)	588,420		425,373
Granted (in shares)	0		178,087
Expired (in shares)	0		0
Cancelled / Forfeited (in shares)	0		0
Exercised (in shares)	0		(15,040)
Balance, end of period (in shares)	588,420		588,420
Exercisable (vested) at end of period (in shares)	293,924		293,924
Stock options, weighted average exercise price [Roll Forward]
Balance, beginning of period (in dollars per share)	$ 9.31		$ 8.30
Granted (in dollars per share)	0		11.19
Expired (in dollars per share)	0		0
Cancelled / Forfeited (in dollars per share)	0		0
Exercised (in dollars per share)	0		3.11
Balance, end of period (in dollars per share)	9.31		9.31
Exercisable (vested) at end of period (in dollars per share)	$ 7.59		$ 7.59
Stock options, additional disclosures [Abstract]
Outstanding, aggregate intrinsic value	$ 456,692		$ 456,692
Exercisable (vested), aggregate intrinsic value	$ 456,692		$ 456,692
Outstanding, weighted average remaining contractual term	6 years 11 months 8 days		6 years 11 months 8 days
Exercisable (vested), weighted average remaining contractual term	5 years 1 month 20 days		5 years 1 month 20 days
Weighted average fair value of options granted (in dollars per share)			$ 1.41
Intrinsic value of options exercised			$ 96,000	$ 0
Fair value of awards vested			149,000	$ 141,000
Unrecognized compensation related to non-vested stock options	$ 367,000		$ 367,000
Unrecognized compensation cost, period for recognition			2 years 6 months 10 days
Recognized compensation cost	$ 46,000		$ 134,000
Weighted average assumptions used in valuation [Abstract]
Risk free interest rate	0.00%	[1]	1.42%
Expected dividend yield	0.00%	[1]	0.00%
Expected life			5 years
Expected price volatility	0.00%	[1]	10.18%

[1] There were no stock options granted during the three months ended September 30, 2020.