ACCOUNTING POLICIES - Schedule of EPS (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Accounting Policies [Abstract]
Numerator for basic and diluted earnings per share	$ 659	$ 1,023	$ 1,923
Denominator:
Denominator for basic and diluted earnings per share – weighted-average shares (in shares)	5,919	5,836	5,754
Effect of dilutive securities
Effect of dilutive securities Employee stock options and restricted stock (in shares)	11	17	130
Denominator for diluted earnings per share – adjusted weighted-average shares (in shares)	5,930	5,853	5,884
Earnings per common share- basic (in USD per share)	$ 0.11	$ 0.18	$ 0.33
Earnings per common share- diluted (in USD per share)	$ 0.11	$ 0.17	$ 0.33