DISCONTINUED OPERATIONS - Major Classes of Assets and Liabilities to be Transferred (Details) - USD ($) $ in Thousands	3 Months Ended		12 Months Ended
	Mar. 31, 2023	Mar. 31, 2022	Dec. 31, 2022
Assets:
Current assets held for sale	$ 1,833		$ 6,473
Liabilities:
Current liabilities held for sale	2,154		3,974
Support Com | Discontinued Operations, Held-for-sale
Assets:
Accounts receivable	1,526		3,996
Prepaid expenses and other current assets	1,028		1,253
Current assets held for sale	2,554		5,249
Property and equipment, net	533		743
Other assets	481		481
Long-term assets held for sale	1,014		1,224
Loss on classification to held for sale	(1,735)	$ 0	0
Assets held for sale	1,833		6,473
Liabilities:
Accounts payable	130		191
Accrued expenses	1,482		3,351
Current liabilities held for sale	1,612		3,542
Other long-term liabilities	542		432
Long-term liabilities held for sale	542		432
Liabilities held for sale	$ 2,154		$ 3,974