SEGMENT REPORTING INFORMATION (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended				6 Months Ended
	Sep. 30, 2014		Sep. 30, 2013		Sep. 30, 2014 Segment		Sep. 30, 2013
SEGMENT REPORTING INFORMATION [Abstract]
Minimum percentage of revenues or gross profit (loss) in order for customer group to be identified as reportable segment					10.00%
Number of reportable segments					2
Segment Reporting Information [Line Items]
Revenues	$ 53,943		$ 45,851		$ 101,420		$ 89,020
Cost of revenues	25,511		23,979		49,116		46,256
Gross profit	28,432		21,872		52,304		42,764
Other Market [Member]
Segment Reporting Information [Line Items]
Revenues	759	[1]	759	[1]	1,624	[1]	1,519	[1]
Cost of revenues	31	[1]	19	[1]	68	[1]	54	[1]
Gross profit	728	[1]	740	[1]	1,556	[1]	1,465	[1]
Operating Segments [Member] | Medical Market [Member]
Segment Reporting Information [Line Items]
Revenues	7,616		7,177		14,861		13,215
Cost of revenues	4,053		3,999		7,897		7,293
Gross profit	3,563		3,178		6,964		5,922
Operating Segments [Member] | Veterinary Market [Member]
Segment Reporting Information [Line Items]
Revenues	45,568		37,915		84,935		74,286
Cost of revenues	21,427		19,961		41,151		38,909
Gross profit	$ 24,141		$ 17,954		$ 43,784		$ 35,377

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