ACQUISITION AND RELATED PARTY ITEMS - Fair Value of Assets and Liabilities at Acquisition Date (Details) - USD ($) $ in Thousands	Dec. 05, 2019	Mar. 31, 2020	Dec. 31, 2019
Net Assets Acquired
Goodwill		$ 36,095	$ 36,204
CVM
Purchase Price
Consideration payable to former owners	$ 14,420
Total fair value of consideration transferred	14,420
Net Assets Acquired
Cash and cash equivalents	1,226
Accounts receivable	582
Inventories	1,750
Other current assets	1,186
Property and equipment	260
Other intangible assets	2,608
Other non-current assets	460
Accounts payable	553
Current portion of deferred revenue, and other	67
Deferred tax liability	683
Other long-term borrowings	1,109
Other liabilities	157
Total fair value of net assets acquired	5,503
Goodwill	8,917
Total fair value of consideration transferred	$ 14,420