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Long-term Obligations (Details Textual)
$ in Millions, $ in Millions
3 Months Ended
Mar. 31, 2018
USD ($)
Mar. 31, 2017
USD ($)
shares
Mar. 31, 2018
CAD ($)
Mar. 31, 2017
CAD ($)
Sep. 30, 2016
USD ($)
Sep. 30, 2016
CAD ($)
Debt Instrument [Line Items]            
Supplemental Deferred Purchase Price Percentage   70.00%        
Stock Issued During Period, Shares, Acquisitions | shares   253,622        
MediaMiser [Member]            
Debt Instrument [Line Items]            
Business Combination, Contingent Consideration, Liability $ 1.5 $ 1.5 $ 2 $ 2 $ 3.8 $ 5
Supplemental Deferred Purchase Price Percentage   30.00%        
Vendor Agreement [Member]            
Debt Instrument [Line Items]            
License Costs | $ $ 0.4