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Share-Based Compensation Plans (Tables)
9 Months Ended
Jul. 31, 2013
Note 9. Share-Based Compensation Plans [Abstract]  
Schedule of Compensation Cost for Share-based Payment Arrangements, Allocation of Share-based Compensation Costs by Plan [Table Text Block]
Share-based compensation reflected in the consolidated statements of operations was as follows:
 
 
Three Months Ended July 31,
 
Nine Months Ended July 31,
 
2013
 
2012
 
2013
 
2012
Costs of revenues
$
156

 
$
182

 
$
437

 
$
435

General and administrative expenses
359

 
416

 
956

 
873

Research and development expenses
81

 
76

 
220

 
208

Total share-based compensation
$
596

 
$
674

 
$
1,613

 
$
1,516

Schedule of Share-based Compensation, Stock Options, Activity [Table Text Block]
The following table summarizes stock option activity for the nine months ended July 31, 2013:
 
 
Number of
options
 
Weighted
average
option  price ($)
Outstanding at October 31, 2012
3,120,456

 
6.96

Granted
279,746

 
0.94

Canceled
(182,413
)
 
6.36

Outstanding at July 31, 2013
3,217,789

 
6.47