Annual report pursuant to Section 13 and 15(d)

Nature of Operations and Liquidity (Narrative) (Details)

v3.2.0.727
Nature of Operations and Liquidity (Narrative) (Details) - USD ($)
1 Months Ended 12 Months Ended
Apr. 29, 2015
Apr. 23, 2015
Jan. 15, 2015
Apr. 30, 2015
Apr. 29, 2015
Jan. 31, 2014
Apr. 30, 2015
Apr. 30, 2014
Product Information [Line Items]                
Percentage Of Professors With Doctorate Degrees             60.00%  
Approximate cash position       $ 3,300,000     $ 3,300,000  
Restricted cash       $ 1,122,485     1,122,485 $ 868,298
Warrant Conversion/Exercised, shares 7,079,700 7,556,884   14,636,582 14,636,590      
Warrant Conversion/Exercised     $ 804,050   $ 2,268,670 $ 804,050 2,268,670 $ 804,049
Financing completed             $ 5,547,826