STOCK PLANS, Stock Options (Details) - Stock Options [Member] - USD ($)	3 Months Ended			6 Months Ended
	Jun. 30, 2020		Mar. 31, 2020	Jun. 30, 2020	Jun. 30, 2019
Stock options, number of shares [Roll Forward]
Balance, beginning of period (in shares)	588,420		425,373	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	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	$ 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	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	$ 436,435			$ 436,435
Exercisable (vested), aggregate intrinsic value	$ 436,435			$ 436,435
Outstanding, weighted average remaining contractual term	7 years 2 months 8 days			7 years 2 months 8 days
Exercisable (vested), weighted average remaining contractual term	5 years 4 months 20 days			5 years 4 months 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	$ 414,000			$ 414,000
Unrecognized compensation cost, period for recognition				2 years 8 months 8 days
Recognized compensation cost	$ 46,000			$ 88,000
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 June 30, 2020.