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Share-Based Compensation (Tables)
6 Months Ended
Jun. 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
 
Six Months Ended
 
June 30,
 
June 30,
 
2011
 
2010
 
2011
 
2010
Cost of maintenance services
$
174


 
$
163


 
$
341


 
$
277


Cost of consulting services
519


 
330


 
1,183


 
778


Product development
544


 
173


 
1,236


 
506


Sales and marketing
1,419


 
884


 
2,860


 
1,750


General and administrative
1,826


 
1,742


 
4,435


 
3,258


Total stock-based compensation expense
$
4,482


 
$
3,292


 
$
10,055


 
$
6,569