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Retail Access and Distribution Agreement (Details) - Valassis - USD ($)
 12 Months Ended
Aug. 11, 2014
Dec. 31, 2015
Dec. 31, 2014
Retail access and distribution agreement      
Marketing and service agreement amortization period 4 years    
Total consideration paid for marketing and service agreement $ 250,000    
Carrying value of agreement included on other assets   $ 128,000  
Marketing and Service Agreement Amortization expense   $ 64,000 $ 59,000