SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (VIE) (Details) - USD ($) $ in Thousands	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Assets:
Accounts receivable, net	$ 697	$ 874
Total assets	30,439	20,713
Liabilities:
Accrued expenses	1,918	2,036
Total liabilities	5,835	6,551
Total stockholders' equity	24,604	14,162	$ 13,205
Variable Interest Entity, Primary Beneficiary [Member]
Assets:
Accounts receivable, net	180	538
Total assets	180	538
Liabilities:
Accrued expenses	36	27
Total liabilities	36	27
Noncontrolling Interest in Joint Venture	40	27
Total stockholders' equity	$ 79	$ 53