Income Taxes (Details 2) - USD ($) $ in Thousands	3 Months Ended								12 Months Ended
	Jul. 31, 2015	Apr. 30, 2015	Jan. 31, 2015	Oct. 31, 2014	Jul. 31, 2014	Apr. 30, 2014	Jan. 31, 2014	Oct. 31, 2013	Jul. 31, 2015	Jul. 31, 2014	Jul. 31, 2013
Schedule of differences between income taxes expected at the federal statutory income tax rate and income taxes provided
Federal income tax at statutory rate									$ (262)	$ 99	$ (1,445)
Permanent differences									1,048
Valuation allowance									$ (3,500)	$ 2,250	$ 1,445
State and local income tax, net of federal benefit										4	(8)
(PROVISION FOR) BENEFIT FROM INCOME TAXES	$ 2,660	$ 801	$ (100)	$ (755)	$ 2,393	$ (40)			$ 2,714	$ (2,353)	$ 8