INCOME TAXES (Deferred Tax) (Details) - USD ($) $ in Thousands	Dec. 31, 2021	Dec. 31, 2020
Deferred tax assets (liabilities):
Allowance for doubtful accounts	$ 96	$ 23
Property and equipment	(169)	2
Goodwill and intangibles	(113)	204
Accrued compensation	2,612	1,818
Accrued liabilities and other	109	106
Loss carryforwards	182,784	186,606
Deferred tax assets before valuation allowance	185,319	188,759
Valuation allowance	(183,974)	(187,722)
Deferred tax assets, net of valuation allowance	$ 1,345	$ 1,037