Annual report pursuant to Section 13 and 15(d)

Financing Agreements (Details Narrative)

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Financing Agreements (Details Narrative) - USD ($)
 1 Months Ended 12 Months Ended
Nov. 30, 2013
Apr. 30, 2016
Apr. 30, 2015
Apr. 30, 2014
Apr. 30, 2013
Nov. 06, 2013
Financing Agreements (Textual) [Abstract]            
Sale leaseback, gain on sale of assets   $ 72,000 $ 71,000      
Sale leaseback, portion of deferred gain in accrued liabilities   159,000 282,000      
Sale leaseback, portion of deferred gain in other long term liabilities   107,000 179,000      
Note and Security Agreement | Mr. Sheerr            
Financing Agreements (Textual) [Abstract]            
Frequency of periodic payment         Monthly  
Date of first required payment, principal amount         Nov. 15, 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 2 year period.  
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   107,000 179,000      
Rosenthal & Rosenthal Financing Agreement            
Financing Agreements (Textual) [Abstract]            
Formula-based secured debt financing capacity       $ 3,500,000   $ 3,500,000
Financing agreement, maturity date Nov. 30, 2016          
Financing agreement, amount outstanding   2,348,000 3,091,000      
Financing agreement, borrowed amounts under line of credit   $ 1,776,000 $ 2,109,000      
Borrowings, collateral, description Borrowings under the Financing Agreement are collateralized by substantially all the assets of the Company.          
Interest rate, description Loans outstanding under the Financing Agreement bear interest at a rate of the Prime Rate (as defined in the Financing Agreement) plus 3.25% (the "Effective Rate") or on Over-advances (as defined in the Financing Agreement), if any, at a rate of the Effective Rate plus 3%.          
Loan facility, borrowing capacity, description       On April 29, 2014, the Company entered into an amendment (the “Amendment”) to the Financing Agreement. The Amendment provides for advances against inventory balances based on prescribed formulas of raw materials and finished goods.    
Credit facility, covenant terms The Financing Agreement contains other financial and restrictive covenants, including, among others, covenants limiting our ability to incur indebtedness, guarantee obligations, sell assets, make loans, enter into mergers and acquisition transactions and declare or make dividends.          
Weighted average interest rate   8.50% 8.50%