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Share-Based Compensation (Tables)
9 Months Ended
Sep. 30, 2011
Share-based Compensation [Abstract] 
Schedule of Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Table Text Block]
The Company has recognized stock-based compensation as follows (in thousands):

 
Three Months Ended
 
Nine Months Ended
 
September 30,
 
September 30,
 
2011
 
2010
 
2011
 
2010
Cost of maintenance services
$
168

 
$
126

 
$
509

 
$
403

Cost of consulting services
526

 
401

 
1,708

 
1,179

Product development
437

 
204

 
1,673

 
710

Sales and marketing
611

 
542

 
3,471

 
2,292

General and administrative
1,277

 
992

 
5,712

 
4,250

Total stock-based compensation expense
$
3,019

 
$
2,265

 
$
13,073

 
$
8,834