Inventories (Details) (USD $)	Sep. 30, 2014	Mar. 31, 2014
Inventories [Abstract]
Raw materials	$ 898,089	$ 776,510
Work in process	2,087,528	1,940,809
Finished goods	658,776	785,014
Inventory, Gross, Total	3,644,393	3,502,333
Less inventory reserve	(255,000)	(295,000)
Total inventories	$ 3,389,393	$ 3,207,333