REVENUE (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2018	Mar. 31, 2017	Jan. 01, 2018	Dec. 31, 2017
Revenue, Initial Application Period Cumulative Effect Transition [Line Items]
Revenues	$ 32,765	$ 29,559
Remaining performance obligation	72,600			$ 72,588
Contract liabilities, current	11,000
Contract liabilities, noncurrent	12,300
Contract liabilities, revenue recognized	1,600
Contract liabilities, increase due to additional deferred sales	300
Capitalized contract costs	2,400		$ 2,400
Capitalized contract costs, amortization	200
Operating Type Lease and Sales Type Lease
Revenue, Initial Application Period Cumulative Effect Transition [Line Items]
Revenues	1,500
Laboratory Instruments
Revenue, Initial Application Period Cumulative Effect Transition [Line Items]
Revenues	800
Laboratory Supplies
Revenue, Initial Application Period Cumulative Effect Transition [Line Items]
Revenues	10,800
Other Services
Revenue, Initial Application Period Cumulative Effect Transition [Line Items]
Revenues	500
Point of Care Imaging Products for Instruments and Software
Revenue, Initial Application Period Cumulative Effect Transition [Line Items]
Revenues	5,100
Rental Agreements
Revenue, Initial Application Period Cumulative Effect Transition [Line Items]
Revenues	300
Service Revenue
Revenue, Initial Application Period Cumulative Effect Transition [Line Items]
Revenues	600
Single-Use Diagnostic and Other Tests, Pharmaceuticals and Biologicals And Research and Development
Revenue, Initial Application Period Cumulative Effect Transition [Line Items]
Revenues	7,200
License and Royalty Income
Revenue, Initial Application Period Cumulative Effect Transition [Line Items]
Revenues	100
Contract Manufacturing Contracts
Revenue, Initial Application Period Cumulative Effect Transition [Line Items]
Revenues	5,700
Other License and Research and Development
Revenue, Initial Application Period Cumulative Effect Transition [Line Items]
Revenues	$ 200