SUPPLEMENTAL DATA SCHEDULE II (Details) (USD $)	12 Months Ended
	Mar. 31, 2014	Mar. 31, 2013	Mar. 31, 2012
Allowance for Doubtful Accounts [Member]
Valuation and Qualifying Accounts Disclosure [Line Items]
Balance Beginning of Period	$ 180,306	$ 168,554	$ 175,804
Charged to Costs and Expenses	0	0	0
Reduction to Allowance for Write off	(15,807)	(8,248)	(8,323)
Credited to Costs and Expenses	7,966	20,000	1,073
Balance at End of Period	172,465	180,306	168,554
Valuation Allowance of Deferred Tax Assets [Member]
Valuation and Qualifying Accounts Disclosure [Line Items]
Balance Beginning of Period	1,619,459	3,865,695	3,480,475
Charged to Costs and Expenses	0	(626,777)	0
Reduction to Allowance for Write off	(820,040)	(1,619,459)	0
Credited to Costs and Expenses	0	0	385,220
Balance at End of Period	799,419	1,619,459	3,865,695
Inventory Reserve Member [Member]
Valuation and Qualifying Accounts Disclosure [Line Items]
Balance Beginning of Period	503,000	663,000	451,001
Charged to Costs and Expenses	160,000	104,175	398,000
Reduction to Allowance for Write off	(25,000)	(264,175)	(186,001)
Credited to Costs and Expenses	0	0	0
Balance at End of Period	$ 638,000	$ 503,000	$ 663,000