INCOME TAXES - Deferred Tax (Details) - USD ($) $ in Thousands	Dec. 31, 2022	Dec. 31, 2021
Deferred tax assets (liabilities):
Allowance for doubtful accounts	$ 58	$ 96
Property and equipment	(163)	(169)
Goodwill and intangibles		(113)
Goodwill and intangibles	527
Accrued compensation	2,768	2,612
Accrued liabilities and other	230	109
Loss carryforwards	183,407	182,784
Deferred tax assets before valuation allowance	186,827	185,319
Valuation allowance	(185,352)	(183,974)
Deferred tax assets, net of valuation allowance	$ 1,475	$ 1,345