ACCOUNTING POLICIES - Schedule of EPS (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019
Accounting Policies [Abstract]
Numerator for basic and diluted (loss) earnings per share	$ (7,058)	$ 659
Denominator:
Denominator for basic and diluted (loss) earnings per share – weighted-average shares (in shares)	6,182	5,919
Effect of dilutive securities
Effect of dilutive securities Employee stock options and restricted stock (in shares)	0	11
Denominator for diluted (loss) earnings per share – adjusted weighted-average shares (in shares)	6,182	5,930
(Loss) earnings per common share - basic (in dollars per share)	$ (1.14)	$ 0.11
(Loss) earnings per common share - diluted (in dollars per share)	$ (1.14)	$ 0.11