Income Taxes (Details 1) (USD $) In Thousands, unless otherwise specified	Jul. 31, 2014	Jul. 31, 2013
Current:
Accrued expenses	$ 333	$ 177
Stock based compensation	51
Deferred revenue on litigation settlements	2,079
Valuation allowance	(71)	(177)
TOTAL CURRENT DEFERRED INCOME TAX ASSETS	2,392
Non-Current:
Deferred revenue on litigation settlements	313
Stock based compensation	104
Net operating loss carryforward	50,120	50,620
Valuation allowance	(50,120)	(50,620)
TOTAL NON-CURRENT DEFERRED INCOME TAX ASSETS	$ 417