REVENUE (Details) $ in Thousands	12 Months Ended
	Dec. 31, 2020 USD ($) segment	Dec. 31, 2019 USD ($)	Dec. 31, 2018 USD ($)
Revenue, Initial Application Period Cumulative Effect Transition [Line Items]
Number of reportable segments | segment	2
Revenue, net	$ 197,323	$ 122,661	$ 127,446
Contract receivables, current	1,200	1,100
Contract receivables, noncurrent	4,100	3,700
Current portion of deferred revenue, and other	8,900	8,700
Contract liabilities, revenue recognized	4,200	3,100
Contract liabilities, increase due to additional deferred sales	$ 3,800	2,200
Contract cost average term	6 years
Capitalized contract costs	$ 3,000	2,700
Capitalized contract costs, amortization	1,000	900
Capitalized contract costs during the period	1,200	1,100
North America Segment | Operating Segments
Revenue, Initial Application Period Cumulative Effect Transition [Line Items]
Revenue, net	131,066	115,423	124,391
International Segment | Operating Segments
Revenue, Initial Application Period Cumulative Effect Transition [Line Items]
Revenue, net	66,257	7,238	3,055
POC Lab Instruments & Other | North America Segment | Operating Segments
Revenue, Initial Application Period Cumulative Effect Transition [Line Items]
Revenue, net	8,433	6,556	6,375
POC Lab Instruments & Other | International Segment | Operating Segments
Revenue, Initial Application Period Cumulative Effect Transition [Line Items]
Revenue, net	6,383	96	0
POC Sales-type leases | North America Segment | Operating Segments
Revenue, Initial Application Period Cumulative Effect Transition [Line Items]
Revenue, net	5,230	6,890	5,888
POC Sales-type leases | International Segment | Operating Segments
Revenue, Initial Application Period Cumulative Effect Transition [Line Items]
Revenue, net	387	0	0
POC Operating Leases | International Segment | Operating Segments
Revenue, Initial Application Period Cumulative Effect Transition [Line Items]
Revenue, net	1,012	0	0
POC Lab Consumables | North America Segment | Operating Segments
Revenue, Initial Application Period Cumulative Effect Transition [Line Items]
Revenue, net	59,247	53,267	45,111
POC Lab Consumables | International Segment | Operating Segments
Revenue, Initial Application Period Cumulative Effect Transition [Line Items]
Revenue, net	32,354	323	0
POC Imaging | North America Segment | Operating Segments
Revenue, Initial Application Period Cumulative Effect Transition [Line Items]
Revenue, net	20,651	21,655	22,832
POC Imaging | International Segment | Operating Segments
Revenue, Initial Application Period Cumulative Effect Transition [Line Items]
Revenue, net	22,537	3,998	0
PVD | North America Segment | Operating Segments
Revenue, Initial Application Period Cumulative Effect Transition [Line Items]
Revenue, net	19,810	10,965	25,663
PVD | International Segment | Operating Segments
Revenue, Initial Application Period Cumulative Effect Transition [Line Items]
Revenue, net	3,584	2,821	3,055
OVP | North America Segment | Operating Segments
Revenue, Initial Application Period Cumulative Effect Transition [Line Items]
Revenue, net	17,695	16,090	18,522
OVP | International Segment | Operating Segments
Revenue, Initial Application Period Cumulative Effect Transition [Line Items]
Revenue, net	$ 66,257	$ 7,238	$ 3,055