Income Taxes (Details Textual) (USD $)	12 Months Ended
	Jul. 31, 2014	Jul. 31, 2013
Income Tax (Textual)
Operating Loss Carryforwards	$ 125,000,000
Operating loss carryforwards expiration term	The net operating loss carryforwards will start to expire in fiscal 2022, with fiscal 2013's loss expiring in fiscal 2034.
Income tax expense (benefit)	(2,353,000)	8,000
Deferred income tax assets valuation allowance percentage	100.00%
IDT[Member]
Income Tax (Textual)
Income tax expense (benefit)	1,000,000
Winstar Holdings, LLC
Income Tax (Textual)
Suspended losses became available to offset taxable income	3,000,000
Income tax expense (benefit)	$ 1,100,000