EARNINGS PER SHARE (Details) - USD ($) $ in Thousands	3 Months Ended								9 Months Ended
	Sep. 30, 2021		Jun. 30, 2021	Mar. 31, 2021	Sep. 30, 2020		Jun. 30, 2020	Mar. 31, 2020	Sep. 30, 2021	Sep. 30, 2020
Numerator [Abstract]
Net income (loss)	$ (16)	[1]	$ 540	$ 745	$ (982)	[1]	$ (1,775)	$ (1,738)	$ 1,269	$ (4,495)	[1]
Denominator [Abstract]
Basic weighted-average common shares outstanding (in shares)	8,663,921	[1]			9,042,991	[1]			8,712,939	9,038,415	[1]
Diluted weighted-average common shares outstanding (in shares)	8,663,921	[1]			9,042,991	[1]			8,718,068	9,038,415	[1]
Shares excluded from the diluted EPS calculation (in shares)	15,326				1,875					7,422
Restricted Stock [Member]
Denominator [Abstract]
Dilutive effect of service-based restricted stock awards granted to Board of Directors under the Plan (in shares)	0	[1]			0	[1]			5,129	0	[1]

[1] For the three months ended September 30, 2021, there were 15,326 shares excluded from the diluted EPS calculation, and for the three and nine months ended September 30, 2020, there were 1,875 and 7,422 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 those respective periods.