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Related Party Transactions (Details Narrative) - USD ($)
1 Months Ended 3 Months Ended
Aug. 31, 2016
Oct. 31, 2013
Jul. 31, 2016
Jul. 31, 2015
Apr. 30, 2016
Related Party Transactions (Textual) [Abstract]          
Sale leaseback, gain on sale of assets     $ 17,916 $ 17,916  
Sale leaseback, portion of deferred gain in accrued liabilities     132,349   $ 158,869
Sale leaseback, portion of deferred gain in other long term liabilities     95,555   107,499
Leaseback Agreement with Mr. Sheerr          
Related Party Transactions (Textual) [Abstract]          
Sale-leaseback transaction date   October 31, 2013      
Sale leaseback transaction, lease terms   The Company entered into an agreement with Mr. Sheerr to leaseback the equipment and furniture that was sold to Mr. Sheerr on October 31, 2013. The lease is for a term of 60 months and the Company is obligated to pay approximately $7,500 per month for the term of the lease. The Company has an option to extend the lease for an additional two year period.      
Sale leaseback transaction, value   $ 500,000      
Sale leaseback, monthly rental payments   7,500      
Sale leaseback, gain on sale of assets   103,000      
Sale leaseback, deferred gain   $ 358,000      
Sale leaseback, portion of deferred gain in accrued liabilities     72,000   72,000
Sale leaseback, portion of deferred gain in other long term liabilities     96,000   107,000
Sheerr Memory, LLC          
Related Party Transactions (Textual) [Abstract]          
Purchase of inventories for resale     19,000 125,000  
Accounts payable     $ 19,000   11,000
Creditor trade cycle term     30 days    
Keystone Memory Group          
Related Party Transactions (Textual) [Abstract]          
Purchase of inventories for resale     $ 420,000 $ 408,000  
Accounts payable     $ 117,000   $ 190,000
Keystone Memory Group | Subsequent Event          
Related Party Transactions (Textual) [Abstract]          
Purchase of inventories for resale $ 81,000