INVENTORY (Details) (USD $)	Mar. 31, 2013	Mar. 31, 2012
INVENTORY
Raw materials	$ 13,506,000	$ 12,841,000
Work in process	13,842,000	9,569,000
Finished goods	16,135,000	16,968,000
Consigned-out inventory		381,000
Total inventory	43,483,000	39,759,000
Finished goods inventory located at third party warehouse and shipping service provider	$ 600,000	$ 1,300,000