SEGMENT REPORTING INFORMATION (Details) $ in Thousands		3 Months Ended		6 Months Ended
		Sep. 30, 2015 USD ($)	Sep. 30, 2014 USD ($)	Sep. 30, 2015 USD ($) Segment	Sep. 30, 2014 USD ($)
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 | Segment				2
Segment Reporting Information [Line Items]
Revenues		$ 55,975	$ 50,471	$ 109,065	$ 94,525
Cost of revenues		24,013	22,395	47,711	42,746
Gross profit		31,962	28,076	61,354	51,779
Other Market [Member]
Segment Reporting Information [Line Items]
Revenues	[1]	745	759	1,562	1,624
Cost of revenues	[1]	31	31	64	68
Gross profit	[1]	714	728	1,498	1,556
Reportable Segments [Member] | Medical Market [Member]
Segment Reporting Information [Line Items]
Revenues		8,631	7,616	17,315	14,861
Cost of revenues		4,568	4,053	9,046	7,897
Gross profit		4,063	3,563	8,269	6,964
Reportable Segments [Member] | Veterinary Market [Member]
Segment Reporting Information [Line Items]
Revenues		46,599	42,096	90,188	78,040
Cost of revenues		19,414	18,311	38,601	34,781
Gross profit		$ 27,185	$ 23,785	$ 51,587	$ 43,259

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