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EARNINGS PER SHARE (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2020	Sep. 30, 2019	Sep. 30, 2020	Sep. 30, 2019
Basic and diluted earnings
Net income (loss)	$ 65	$ 111	$ 60	$ (94)
Weighted average outstanding shares of common stock	6,601	6,564	6,581	6,536
Dilutive potential common shares from stock options and restricted stock units		41	17	41
Common stock and common stock equivalents	6,601	6,605	6,598	6,577
Earnings per share:
Earnings (loss) per share, basic and diluted	$ 0.01	$ 0.02	$ 0.01	$ (0.01)
Shares subject to anti-dilutive stock options and restricted stock-based awards excluded from calculation	2		2

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Securities (including those issuable pursuant to contingent stock agreements) that could potentially dilute basic earnings per share (EPS) or earnings per unit (EPU) in the future that were not included in the computation of diluted EPS or EPU because to do so would increase EPS or EPU amounts or decrease loss per share or unit amounts for the period presented.

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