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Accrued Expenses
3 Months Ended
Mar. 31, 2017
Accrued Expenses [Abstract]  
Accounts Payable and Accrued Liabilities Disclosure [Text Block]
6.
Accrued Expenses:
 
Accrued expenses include approximately $14.8 million and $27.2 million in advertising liabilities as of March 31, 2017 and December 31, 2016, respectively.