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Business Combination (Details 2)
 12 Months Ended
Dec. 31, 2017
USD ($)
Business Acquisition [Line Items]  
Total acquired assets, Estimated Fair Value $ 3,952,000
Subscriber relationships [Member]  
Business Acquisition [Line Items]  
Total acquired assets, Estimated Fair Value $ 1,940,000
Estimated Useful Life in Years 3 years
Trade names, trademarks, product names, URLs [Member]  
Business Acquisition [Line Items]  
Total acquired assets, Estimated Fair Value $ 1,000,000
Estimated Useful Life in Years 5 years
Internally developed software [Member]  
Business Acquisition [Line Items]  
Total acquired assets, Estimated Fair Value $ 730,000
Estimated Useful Life in Years 5 years
Lead pool [Member]  
Business Acquisition [Line Items]  
Total acquired assets, Estimated Fair Value $ 282,000
Estimated Useful Life in Years 2 years