Quarterly report pursuant to Section 13 or 15(d)

10. Related Party Transactions (Details Textuals)

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10. Related Party Transactions (Details Textuals) (CatoBioVentures [Member], USD $)
3 Months Ended 6 Months Ended
Sep. 30, 2012
Sep. 30, 2011
Sep. 30, 2012
Sep. 30, 2011
CatoBioVentures [Member]
       
Total interest expense on note and the prior line of credit $ 8,300 $ 6,000 $ 16,600 $ 72,000
Incurred expenses on research and subsequent other projects $ 291,800 $ 221,000 $ 514,400 $ 659,000