Quarterly report pursuant to Section 13 or 15(d)

Intangible Assets and Goodwill (Details Narrative)

v2.4.0.6
Intangible Assets and Goodwill (Details Narrative) (USD $)
3 Months Ended
Jul. 31, 2012
Jul. 31, 2011
Intangible Assets and Goodwill (Textual) [Abstract]    
Intangible assets, Amortization method Straight-line basis  
Impairments of intangible assets $ 0  
Residual value of intangible assets 0  
Intangible assets amortization expense $ 41,000 $ 41,000
Maximum [Member]
   
Intangible Assets and Goodwill (Textual) [Abstract]    
Intangible Asset, Estimated period of benefit 5 years  
Minimum [Member]
   
Intangible Assets and Goodwill (Textual) [Abstract]    
Intangible Asset, Estimated period of benefit 4 years  
Research and Development and 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.