Related Party Transactions (Details) (IDT [Member], USD $) In Thousands, unless otherwise specified	12 Months Ended
	Jul. 31, 2014	Jul. 31, 2013
IDT [Member]
Related Party Transaction, Due from (to) Related Party [Abstract]
Balance at beginning of year
Payments by IDT on behalf of the Company	940	1,008
Deferred taxes offset against IDT net operating losses		12
Cash repayments, net of advances	(934)	1,737
Amount due to IDT contributed to equity		(2,757)
Balance at end of year	6
Average balance during the year	$ 111	$ 1,099