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Commitments and Contingencies (Details Narrative) - USD ($)
Aug. 13, 2013
Apr. 30, 2017
Jul. 31, 2016
Restructuring liability   $ 24,000 $ 39,000
Dennis Brovarone [Member]      
Release agreement payment $ 91,000    
Cash severance payment period 60 months    
Monthly installment amount $ 1,600