Stock-Based Compensation - Schedule of Share-based Compensation Stock Options Activity (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended
	Oct. 31, 2016	Oct. 31, 2015
Disclosure of Compensation Related Costs, Share-based Payments [Abstract]
Options outstanding shares, beginning balance	200,000
Options granted
Options exercised
Options forfeited or expired
Options outstanding shares, ending balance	200,000
Options expected to vest, shares	200,000
Options exercisable, shares	200,000
Weighted average exercise price options outstanding, beginning balance	$ 0.430
Weighted average exercise price options granted
Weighted average exercise price options exercised
Weighted average exercise price options forfeited or expired
Weighted average exercise price options outstanding, ending balance	0.430
Weighted average exercise price options expected to vest	0.430
Weighted average exercise price options exercisable	$ 0.430
Weighted average remaining contractual term (years) options outstanding	4 months 10 days
Weighted average remaining contractual term (years) options expected to vest	4 months 10 days
Weighted average remaining contractual term (years) options exercisable	4 months 10 days
Aggregate intrinsic value options outstanding	$ 0
Aggregate intrinsic value options expected to vest	0
Aggregate intrinsic value options exercisable	$ 0