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Acquisition of Selected Assets of Manatee Works, Inc. Acquisition of Selected Assets of Manatee Works, Inc. - Contingent Consideration (Details) - USD ($)
 12 Months Ended
Aug. 21, 2015
Dec. 31, 2015
Dec. 31, 2014
Dec. 31, 2013
Deferred Costs, Capitalized, Prepaid, and Other Assets Disclosure [Abstract]        
Business Combination, Consideration Transferred $ 1,023,000      
Contingent consideration payments, maximum years 3 years      
Business Combination, Contingent Consideration Arrangements, Range of Outcomes, Value, Low $ 0      
Business Combination, Contingent Consideration Arrangements, Range of Outcomes, Value, High 5,000,000      
Business Combination, Liabilities Arising from Contingencies, Amount Recognized 3,790,000      
Purchase price $ 4,813,000      
Contingent consideration liability (Note 20)   $ 3,000,000    
Revaluation of contingent consideration   790,000 $ 0 $ 0
Business Combination, Contingent Consideration, Liability, Current   600,000    
Business Combination, Contingent Consideration, Liability, Noncurrent   $ 2,400,000    
Developer network amortization, years   5 years    
completed technology amortization, years   5 years