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Note 6. Concentration of revenue as a percentage of total revenue (Details)
 3 Months Ended 6 Months Ended
Jun. 30, 2013
Jun. 30, 2012
Jun. 30, 2013
Jun. 30, 2012
Percentage of revenue from various revenue streams 100.00% 100.00% 100.00% 100.00%
Compliance and reporting services
        
Percentage of revenue from various revenue streams 53.80% 51.20% 56.00% 53.70%
Printing and financial communication
        
Percentage of revenue from various revenue streams 15.60% 18.40% 12.50% 16.90%
Fulfillment and distribution
        
Percentage of revenue from various revenue streams 11.10% 15.40% 10.20% 15.80%
Software licensing
        
Percentage of revenue from various revenue streams 5.60% 4.80% 4.70% 5.10%
Transfer agent services
        
Percentage of revenue from various revenue streams 13.90% 10.20% 16.60% 8.50%