SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (VIE) (Details) - USD ($) $ in Thousands	Mar. 31, 2022	Dec. 31, 2021	Mar. 31, 2021	Dec. 31, 2020
Assets:
Accounts receivable, net	$ 1,154	$ 697
Total assets	27,971	30,439
Liabilities:
Accrued expenses	1,673	1,918
Total liabilities	5,719	5,835
Total stockholders' equity	22,252	24,604	$ 14,558	$ 14,162
Variable Interest Entity, Primary Beneficiary [Member]
Assets:
Accounts receivable, net	239	180
Total assets	239	180
Liabilities:
Accrued expenses	33	36
Total liabilities	33	36
Noncontrolling Interest in Joint Venture	46	40
Total stockholders' equity	$ 91	$ 79