DISCONTINUED OPERATIONS (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2019	Sep. 30, 2018	Sep. 30, 2019	Sep. 30, 2018
Disposal Group, Including Discontinued Operation, Income Statement Disclosures [Abstract]
Revenue	$ 1,285		$ 1,699
Operating expenses	707		1,213
Other expenses	365		432
Operating gain	213		54
Net gain from discontinued operations	213	$ 0	54	$ 0
Held-for-sale
Assets:
Cash	840		840
Accounts receivable	893		893
Inventories	2,054		2,054
Prepaid expenses and other current assets	18		18
Property and equipment	5,939		5,939
Amortizable intangible assets	5,350		5,350
Goodwill	20,597		20,597
Operating lease right-of-use asset	227		227
Other intangible assets	2,250		2,250
Current assets held for sale, net	38,168		38,168
Liabilities:
Accounts payable	106		106
Accrued compensation and benefits	172		172
Operating lease liabilities	219		219
Deferred tax liability	2,575		2,575
Other current liabilities	13		13
Liabilities held for sale	$ 3,085		$ 3,085