SEGMENT REPORTING INFORMATION (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Jun. 30, 2013 Segment		Jun. 30, 2012
SEGMENT REPORTING INFORMATION [Abstract]
Minimum percentage of revenues or gross profit (loss) in order for customer group to be identified as reportable segment (in hundredths)	10.00%
Number of reportable segments	2
Segment Reporting Information [Line Items]
Revenue	$ 43,169		$ 42,014
Cost of revenues	22,277		19,165
Gross Profit	20,892		22,849
Medical Market [Member]
Segment Reporting Information [Line Items]
Revenue	6,038	[1]	8,449	[1]
Cost of revenues	3,294	[1]	3,743	[1]
Gross Profit	2,744	[1]	4,706	[1]
Veterinary Market [Member]
Segment Reporting Information [Line Items]
Revenue	36,371	[1]	32,591	[1]
Cost of revenues	18,948	[1]	15,380	[1]
Gross Profit	17,423	[1]	17,211	[1]
Other Market [Member]
Segment Reporting Information [Line Items]
Revenue	760	[1],[2]	974	[1],[2]
Cost of revenues	35	[1],[2]	42	[1],[2]
Gross Profit	$ 725	[1],[2]	$ 932	[1],[2]

[1] Includes certain prior period amounts by operating segment and unallocated items that were reclassified to conform to the current period presentation.

[2] Represents unallocated items, not specifically identified to any particular business segment.