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EARNINGS (LOSS) PER SHARE (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2021	Jun. 30, 2020	Jun. 30, 2021	Jun. 30, 2020
Earnings Per Share Reconciliation [Abstract]
Net loss attributable to stockholders, basic	$ (4,046)	$ (4,690)	$ (8,947)	$ (6,641)
Net loss attributable to stockholders, diluted	$ (4,046)	$ (4,690)	$ (8,947)	$ (6,641)
Denominator:
Weighted average shares outstanding - basic (in shares)	34,321	34,186	34,312	34,181
Weighted average shares outstanding - diluted (in shares)	34,321	34,186	34,312	34,181
Loss per share:
Basic (in dollars per share)	$ (0.12)	$ (0.14)	$ (0.26)	$ (0.19)
Diluted (in dollars per share)	$ (0.12)	$ (0.14)	$ (0.26)	$ (0.19)
Options
Anti-dilutive instruments excluded from diluted loss per common share:
Anti-dilutive instruments (in shares)	5,561	4,986	5,561	4,986

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