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Stock-Based Compensation (Details Narrative) - USD ($)
$ in Thousands
3 Months Ended
Oct. 31, 2016
Oct. 31, 2015
Jul. 31, 2016
Nov. 30, 2010
Allocated Share-based compensation expense $ 0 $ 0    
Share-based compensation options outstanding 200,000   200,000  
Share-based compensation options forfeited or expired    
Share-based compensation options exercised    
Unrecognized costs related to outstanding stock options      
2011 Stock Incentive Plan [Member]        
Maximum number of shares authorized for issuance under the plan       4,000,000
2000 Stock Option Plan [Member]        
Maximum number of shares authorized for issuance under the plan 2,000,000      
2000 Stock Option Plan [Member]        
Share-based compensation, Description The exercise price of the options is determined by the compensation committee of the Company’s Board of Directors, but incentive stock options, if any, must be granted at an exercise price not less than the fair market value of the Company’s common stock as of the grant date or an exercise price of not less than 110% of the fair value for a 10% shareholder.      
Stock option plan expiration date Mar. 01, 2012      
2000 Stock Option Plan [Member] | Maximum [Member]        
Options expire term 10 years