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Accrued Expenses (Details) (USD $)
In Thousands, unless otherwise specified
Jul. 31, 2013
Jul. 31, 2012
Summary of accrued expenses    
Accrued sales commissions $ 1 $ 898
Accrued taxes 124 124
Accrued professional fees 901 116
Accrued compensation 403   
Other 44 31
TOTAL $ 1,473 $ 1,169