EARNINGS PER SHARE (''EPS'') - Reconciliation of the Numerator and Denominator Used in Computing Basic and Diluted Per Share Computations (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021
Numerator:
Net loss attributable to common stockholders	$ (2,349)	$ (4,210)	$ (5,160)	$ (12,416)
Redeemable preferred stock dividends declared on dilutive shares	0	0	0	0
Diluted net loss attributable to common stockholders	$ (2,349)	$ (4,210)	$ (5,160)	$ (12,416)
Denominator:
Basic weighted average shares of common stock outstanding (in shares)	23,353	15,102	23,351	14,956
Effect of dilutive securities—contingently issuable shares (in shares)	0	0	0	0
Diluted weighted average shares and common stock equivalents outstanding (in shares)	23,353	15,102	23,351	14,956
Net loss attributable to common stockholders per share:
Basic (in usd per share)	$ (0.10)	$ (0.28)	$ (0.22)	$ (0.83)
Diluted (in usd per share)	$ (0.10)	$ (0.28)	$ (0.22)	$ (0.83)