Annual report pursuant to Section 13 and 15(d)

Summary of Significant Accounting Policies - Intangible Assets (Details Narrative)

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Summary of Significant Accounting Policies - Intangible Assets (Details Narrative) - USD ($)
12 Months Ended
Apr. 30, 2015
Apr. 30, 2014
Intangible Assets and Goodwill (Textual) [Abstract]    
Intangible assets amortization expense $ 0 $ 133,000
Residual value of intangible assets $ 0  
Maximum    
Intangible Assets and Goodwill (Textual) [Abstract]    
Intangible Asset, Estimated period of benefit 5 years  
Minimum    
Intangible Assets and Goodwill (Textual) [Abstract]    
Intangible Asset, Estimated period of benefit 4 years  
Finite-Lived Intangible Assets    
Intangible Assets and Goodwill (Textual) [Abstract]    
Intangible assets, Amortization method Straight-line basis  
Customer Relationships    
Intangible Assets and Goodwill (Textual) [Abstract]    
Intangible assets, Amortization method Amortized over a two-year period at a rate of 65% of the gross value acquired in the first year subsequent to their acquisition and 35% of the gross value acquired in the second year.