Inventories (Details) (USD $)	Jun. 30, 2014	Mar. 31, 2014
Inventories [Abstract]
Raw materials	$ 830,511	$ 776,510
Work in process	2,020,422	1,940,809
Finished goods	721,823	785,014
Inventory, Gross, Total	3,572,756	3,502,333
Less inventory reserve	(280,000)	(295,000)
Total inventories	$ 3,292,756	$ 3,207,333