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 9 Months Ended
Feb. 06, 2017
Sep. 30, 2017
Sep. 30, 2016
Sep. 30, 2017
Sep. 30, 2016
Dec. 31, 2016
Commitments and Contingencies (Textual)            
Royalty expenses   $ 1,119,000 $ 1,208,000 $ 3,651,000 $ 3,251,000  
Deposits held by credit card processors   3,300,000   3,300,000   $ 3,100,000
Noncancelable purchase commitments       $ 700,000
Litigation settlement amount $ 30,000