Post-effective amendment to a registration statement that is not immediately effective upon filing

8. Investment in Ruthigen (Details Narrative)

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8. Investment in Ruthigen (Details Narrative) - USD ($)
Mar. 31, 2015
Mar. 31, 2014
Long-term investment $ 4,538,000 $ 10,150,000
Ruthigen    
Long-term investment $ 4,538,000 $ 10,150,000
Long-term investment, shares held 1,650,000 2,000,000