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3. Summary of Significant Accounting Policies (Tables)
6 Months Ended
Sep. 30, 2016
Accounting Policies [Abstract]  
Schedule of antidilutive shares
   September 30, 
   2016   2015 
Options to purchase common stock   746,000    740,000 
Warrants to purchase common stock   1,466,000    1,267,000 
    2,212,000    2,007,000