Income Taxes (Details 1) - USD ($) $ in Thousands	Jul. 31, 2015	Jul. 31, 2014
Current:
Accrued expenses	$ 314	$ 333
Stock based compensation	(329)	51
Deferred revenue on litigation settlements	313	2,079
Valuation allowance	$ (298)	(71)
TOTAL CURRENT DEFERRED INCOME TAX ASSETS		2,392
Non-Current:
Deferred revenue on litigation settlements		313
Stock based compensation		104
Net operating loss carryforward	$ 53,383	50,120
Valuation allowance	$ (53,383)	(50,120)
TOTAL NON-CURRENT DEFERRED INCOME TAX ASSETS		$ 417