DISCONTINUED OPERATIONS - Schedule of assets and liabilities for discontinued operations (Details) - Discontinued Operations - USD ($) $ in Thousands	Mar. 31, 2022	Dec. 31, 2021
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Cash	$ 863	$ 1,544
Accounts receivable	2,261	1,553
Inventory, net	2,434	1,359
Prepaid expenses and other assets	86	39
Property, equipment and leasehold improvements, net	4,516	17,661
Other assets	300	323
Assets of discontinued operations	10,460	22,479
Accounts payable and accrued expenses	1,198	1,170
Income taxes payable	1,012	917
Long-term lease liabilities	150	184
Liabilities of discontinued operations	$ 2,360	$ 2,271