SIGNIFICANT ACCOUNTING POLICIES, Earnings Per Share (Details) - USD ($) $ in Thousands	3 Months Ended								12 Months Ended
	Dec. 31, 2020	Sep. 30, 2020	Jun. 30, 2020	Mar. 31, 2020	Dec. 31, 2019	Sep. 30, 2019	Jun. 30, 2019	Mar. 31, 2019	Dec. 31, 2020		Dec. 31, 2019
Numerator [Abstract]
Net income (loss)	$ (406)	$ (982)	$ (1,775)	$ (1,738)	$ (829)	$ (1,719)	$ (875)	$ 1,520	$ (4,901)	[1]	$ (1,903)	[1]
Denominator [Abstract]
Basic weighted-average common shares outstanding (in shares)	9,134,621	9,042,991	9,042,991	9,029,212	9,020,187	8,932,246	8,933,648	9,009,752	9,062,598	[1]	8,973,246	[1]
Diluted weighted-average common shares outstanding (in shares)	9,134,621	9,042,991	9,042,991	9,029,212	9,020,187	8,932,246	8,933,648	9,011,107	9,062,598	[1]	8,973,246	[1]
Dilutive effect of service-based restricted stock awards granted under the plan (in shares)									6,401		9,203

[1] For the years ended December 31, 2020 and 2019, there were 6,401 and 9,203 shares, respectively, excluded from the diluted EPS calculation because the impact of their assumed vesting would be anti-dilutive due to a net loss in that period.