Quarterly report pursuant to sections 13 or 15(d)

Stock-Based Compensation (Details 2)

v2.4.0.6
Stock-Based Compensation (Details 2) (USD $)
3 Months Ended
Oct. 31, 2012
Oct. 31, 2011
Additional disclosures    
Weighted-average grant date fair value (in dollars per share) $ 0.16 $ 0.28
Unrecognized non-cash compensation cost $ 241,000  
Weighted average period for recognition of unrecognized non-cash compensation cost 1 year 11 days  
$0.18 - 0.42
   
Stock option activity by range of exercise prices    
Exercise price, low end of the range (in dollars per share) $ 0.18  
Exercise price, high end of the range (in dollars per share) $ 0.42  
Number of Shares Outstanding 4,509,800  
Weighted Average Contractual Life 6 years 2 months 5 days  
Weighted Average Exercise Price, Outstanding (in dollars per share) $ 0.22  
Number of Shares Exercisable 2,658,950  
Weighted Average Remaining Contractual Life 5 years 10 months 20 days  
Weighted Average Exercise Price, Exercisable (in dollars per share) $ 0.22