Quarterly report pursuant to Section 13 or 15(d)

Acquisition and Disposition - Schedule of Selected Financial Data of the Company's Gain from Sale (Details)

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Acquisition and Disposition - Schedule of Selected Financial Data of the Company's Gain from Sale (Details) - USD ($)
6 Months Ended
Oct. 31, 2017
Oct. 31, 2016
Net gain from sale of Dataram Memory business $ 102,023
Dataram Memory [Member]    
Total consideration 90,000  
Direct legal and sales commission expenses related to the sale (201,510)  
Estimated Dataram's accrued expenses to be deducted from the sales proceeds (167,342)  
Total carrying value of Dataram Memory business on date of sale (429,125)  
Net gain from sale of Dataram Memory business $ 102,023