STOCKHOLDERS' EQUITY (Details Textual) - USD ($)
$ / shares in Units, shares in Thousands, $ in Thousands
6 Months Ended
Jan. 31, 2016
Jan. 31, 2015
Mar. 09, 2010
Preferred Stock, Par or Stated Value Per Share (in dollars per share) $ 0.01    
Preferred Stock, Shares Authorized (in shares) 5,000    
Stock Repurchase Program, Authorized Amount     $ 2,000
Stock Repurchased During Period, Shares 6 14  
Stock Repurchased During Period, Value $ 20 $ 42