Quarterly report pursuant to Section 13 or 15(d)

Stockholders' Equity (Details)

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Stockholders' Equity (Details) (USD $)
2 Months Ended 3 Months Ended
Oct. 03, 2013
Oct. 31, 2013
Oct. 31, 2012
Jul. 31, 2013
Mar. 28, 2013
Stockholders' Equity (Details) [Line Items]          
Common Stock, Par or Stated Value Per Share (in Dollars per share)   $ 0.01   $ 0.01 $ 0.01
Maximum Offering Price Under Sales Agreement (in Shares)         20,000,000
Percentage of Commission Payable on Equity Offering   3.00%      
Average Sale Price of Stock (in Dollars per share)   $ 2.48      
Proceeds from Issuance of Common Stock   $ 1,684,000      
Excess Tax Benefit from Share-based Compensation, Financing Activities   0 0    
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Gross (in Shares) 10,000 10,000      
Share-based Compensation Arrangements by Share-based Payment Award, Options, Grants in Period, Weighted Average Exercise Price (in Dollars per share) $ 2.53 $ 2.53      
Share Based Compensation Arrangement by Share Based Payment Award Options Term 5 years        
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period 4 years        
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Weighted Average Grant Date Fair Value (in Dollars per share) $ 1.23        
Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Term 4 years 9 months        
Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Volatility Rate 57.60%        
Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Risk Free Interest Rate 1.30%        
Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Dividend Payments 0        
Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested, Number of Shares (in Shares)   0      
Employee Service Share-based Compensation, Nonvested Awards, Compensation Not yet Recognized, Stock Options   300,000      
Employee Service Share-based Compensation, Nonvested Awards, Compensation Cost Not yet Recognized, Period for Recognition   1 year 146 days      
Employee Service Share-based Compensation, Nonvested Awards, Compensation Cost Not yet Recognized   $ 200,000      
Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Nonvested Outstanding Weighted Average Remaining Contractual Terms   1 year      
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Available for Grant (in Shares)   2,312,000      
Common Stock [Member]
         
Stockholders' Equity (Details) [Line Items]          
Stock Issued During Period, Shares, New Issues (in Shares)   701,455