Accrued Expenses (Details) (USD $)	Mar. 31, 2013	Mar. 31, 2012
Accrued Expenses
Accrued professional services	$ 67,800	$ 107,400
Accrued research and development expenses		237,500
Accrued vacation pay and other compensation	219,300	229,900
Accrued placement agent fees		50,000
Accrued royalties and license fees	25,000	5,000
All other	30,800	27,500
Total	$ 342,900	$ 657,300