INTANGIBLE ASSETS, NET (Details) (USD $)	1 Months Ended		12 Months Ended			1 Months Ended
	Oct. 31, 2011	Jan. 31, 2011	Mar. 31, 2013	Mar. 31, 2012	Mar. 31, 2011	Jan. 31, 2009 Licenses [Member]	Mar. 31, 2013 Licenses [Member]	Mar. 31, 2012 Licenses [Member]	Mar. 31, 2012 Patents [Member]	Mar. 31, 2013 Other [Member]	Mar. 31, 2012 Other [Member]
Finite-Lived Intangible Assets [Line Items]
Cost			$ 5,637,000	$ 6,387,000			$ 5,000,000	$ 5,000,000	$ 750,000	$ 637,000	$ 637,000
Accumulated amortization			2,515,000	2,397,000			2,360,000	1,625,000	675,000	155,000	97,000
Net book value			3,122,000	3,990,000			2,640,000	3,375,000	75,000	482,000	540,000
Intangible assets acquired	388,000	249,000				5,000,000
Amortization expense			868,000	614,000	633,000
Estimated Amortization Expense for Intangible Assets [Abstract]
Total			3,122,000	3,990,000			2,640,000	3,375,000	75,000	482,000	540,000
2014			1,499,000
2015			1,258,000
2016			58,000
2017			58,000
2018			58,000
Thereafter			$ 191,000