Related Party Transactions (Details) - IDT [Member] - USD ($) $ in Thousands	12 Months Ended
	Jul. 31, 2015	Jul. 31, 2014
Related Party Transaction, Due from (to) Related Party [Abstract]
Balance at beginning of year	$ 6
Payments by IDT on behalf of the Company	$ 464	$ 940
Deferred taxes offset against IDT net operating losses
Cash repayments, net of advances	$ (470)	$ (934)
Amount due to IDT contributed to equity
Balance at end of year		$ 6
Average balance during the year	$ 56	$ 111