REVENUES BY PRODUCT CATEGORY AND GEOGRAPHIC REGION AND SIGNIFICANT CONCENTRATIONS, Revenue by Product (Details) - USD ($) $ in Thousands		3 Months Ended		9 Months Ended
		Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2017	Dec. 31, 2016
Revenue from External Customer [Line Items]
Revenues		$ 59,670	$ 52,772	$ 176,782	$ 169,020
Instruments [Member]
Revenue from External Customer [Line Items]
Revenues	[1]	10,468	9,349	28,395	29,271
Consumables [Member]
Revenue from External Customer [Line Items]
Revenues	[2]	45,475	40,353	137,884	130,554
Other Products [Member]
Revenue from External Customer [Line Items]
Revenues	[3]	$ 3,727	$ 3,070	$ 10,503	$ 9,195

[1] Instruments include chemistry analyzers, hematology instruments, VSpro specialty analyzers, i-STAT analyzers and urinalysis instruments.

[2] Consumables include reagent discs, hematology reagent kits, VSpro specialty cartridges, i-STAT cartridges, urinalysis tests and rapid tests.

[3] Other products include products using the Orbos process and extended maintenance agreements.