6. Accrued Expenses (Details) (USD $)	Dec. 31, 2012	Mar. 31, 2012
Accrued Expenses
Accrued professional services	$ 68,300	$ 107,400
Accrued research and development expenses		237,500
Accrued vacation pay and other compensation	223,400	229,900
Accrued placement agent fees	50,000	50,000
Accrued royalties and license fees	29,700
All other	10,900	32,500
Total	$ 382,300	$ 657,300