Consolidated Balance Sheets (Parenthetical) (USD $)	Dec. 31, 2013	Mar. 31, 2013
Consolidated Balance Sheets [Abstract]
Allowance for Doubtful Accounts Receivable	$ 0	$ 3,838,092
Patent costs, accumulated amortization	872,118	845,795
Trademark costs, accumulated amortization	$ 67,595	$ 64,230
Common stock, par value per share	$ 0.01	$ 0.01
Common stock, shares authorized	50,000,000	50,000,000
Common stock, shares issued	36,891,654	36,664,097
Common Stock, Shares, Outstanding	36,891,654	36,664,097