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Commitments and Contingencies (Details) (USD $)
Jul. 31, 2013
Commitments and Contingencies [Abstract]  
Estimate of reasonably possible losses $ 0
Price of warrants issued (in dollars per share) $ 0.001
Percentage of Common stock outstanding (in hundredths) 30.00%
Common stock, shares outstanding (in shares) 11,299,528
Potential shares issued from exercise of warrants (in shares) 4,842,654
Contractual Obligations [Abstract]  
2013 22,041,111
2014 3,290,986
2015 243,203
2016 172,869
2017 108,286
Residual 0
Total 25,856,455
Non-cancelable operating leases [Member]
 
Contractual Obligations [Abstract]  
2013 216,203
2014 553,404
2015 162,975
2016 157,217
2017 97,307
Residual 0
Total 1,187,106
Revolving line of credit [Member]
 
Contractual Obligations [Abstract]  
2013 6,231,830
2014 0
2015 0
2016 0
2017 0
Residual 0
Total 6,231,830
Term debt [Member]
 
Contractual Obligations [Abstract]  
2013 15,589,751
2014 223,765
2015 64,296
2016 0
2017 0
Residual 0
Total 15,877,812
Obligations under capital lease [Member]
 
Contractual Obligations [Abstract]  
2013 3,327
2014 13,817
2015 15,932
2016 15,652
2017 10,979
Residual 0
Total 59,707
Notes payable - related party [Member]
 
Contractual Obligations [Abstract]  
2013 0
2014 2,500,000
2015 0
2016 0
2017 0
Residual 0
Total $ 2,500,000