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Summary of Significant Accounting Policies (Details 1) (USD $)
In Thousands, unless otherwise specified
Jul. 31, 2014
Jul. 31, 2013
2015 $ 748  
2016 748  
2017 748  
2018 748  
2019 748  
Thereafter 1,342  
Total intangible assets subject to amortization 5,082 0
Developed Technology Rights [Member]
   
2015 631  
2016 631  
2017 631  
2018 631  
2019 631  
Thereafter 1,134  
Total intangible assets subject to amortization 4,289 0
Trade Names [Member]
   
2015 117  
2016 117  
2017 117  
2018 117  
2019 117  
Thereafter 208  
Total intangible assets subject to amortization $ 793 $ 0