Quarterly report pursuant to Section 13 or 15(d)

Commitments and Contingencies (Details)

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Commitments and Contingencies (Details) - USD ($)
1 Months Ended 3 Months Ended 6 Months Ended
Feb. 06, 2017
Jun. 30, 2017
Jun. 30, 2016
Jun. 30, 2017
Jun. 30, 2016
Dec. 31, 2016
Commitments and Contingencies (Textual)            
Royalty expenses   $ 1,639,000 $ 1,070,000 $ 2,532,000 $ 2,043,000  
Deposits held by credit card processors   3,400,000   3,400,000   $ 3,100,000
Non-cancelable purchase commitments   $ 100,000   $ 100,000   $ 700,000
Litigation settlement amount $ 30,000