REVENUES BY PRODUCT CATEGORY AND GEOGRAPHIC REGION AND SIGNIFICANT CONCENTRATIONS, Revenue by Product (Details) - USD ($) $ in Thousands		3 Months Ended		6 Months Ended
		Sep. 30, 2017	Sep. 30, 2016	Sep. 30, 2017	Sep. 30, 2016
Revenue from External Customer [Line Items]
Revenues		$ 58,854	$ 58,552	$ 117,112	$ 116,248
Instruments [Member]
Revenue from External Customer [Line Items]
Revenues	[1]	9,164	9,823	17,927	19,922
Consumables [Member]
Revenue from External Customer [Line Items]
Revenues	[2]	46,369	45,512	92,409	90,201
Other Products [Member]
Revenue from External Customer [Line Items]
Revenues	[3]	$ 3,321	$ 3,217	$ 6,776	$ 6,125

[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.