Quarterly report pursuant to Section 13 or 15(d)

Stockholders' Equity (Details) - Schedule of stock option plans

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Stockholders' Equity (Details) - Schedule of stock option plans
$ / shares in Units, $ in Thousands
3 Months Ended
Oct. 31, 2015
USD ($)
$ / shares
shares
Schedule of stock option plans [Abstract]  
Outstanding at July 31, 2015 | shares 1,358,104
Outstanding at July 31, 2015 $ 3.04
Cancelled or expired | shares (6,000)
Cancelled or expired $ 3.61
Outstanding at end of period | shares 1,352,104
Outstanding at end of period $ 3.04
Outstanding at end of period 2 years 73 days
Outstanding at end of period | $ $ 964
Exercisable at end of period | shares 785,188
Exercisable at end of period $ 2.87
Exercisable at end of period 1 year 292 days
Exercisable at end of period | $ $ 664