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Accrued Expenses (Details) (USD $)
In Thousands, unless otherwise specified
Jul. 31, 2014
Jul. 31, 2013
Summary of accrued expenses    
Accrued compensation $ 577 $ 403
Accrued professional fees 566 901
Accrued taxes 124 124
Other 67 45
TOTAL ACCRUED EXPENSES $ 1,334 $ 1,473