Quarterly report pursuant to Section 13 or 15(d)

Accrued Liabilities and Other Current Liabilities (Details) - Other current liabilities

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Accrued Liabilities and Other Current Liabilities (Details) - Other current liabilities (USD $)
In Thousands, unless otherwise specified
Oct. 31, 2014
Jul. 31, 2014
Accrued Liabilities and Other Current Liabilities (Details) - Other current liabilities [Line Items]    
Other Liabilities Current $ 778 $ 790
Accrued Legal Settlement [Member]
    
Accrued Liabilities and Other Current Liabilities (Details) - Other current liabilities [Line Items]    
Other Liabilities Current 400 400
Installment Loans [Member]
    
Accrued Liabilities and Other Current Liabilities (Details) - Other current liabilities [Line Items]    
Other Liabilities Current 229 241
Capital Lease Obligations [Member]
    
Accrued Liabilities and Other Current Liabilities (Details) - Other current liabilities [Line Items]    
Other Liabilities Current $ 149 $ 149