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Accrued Expenses
6 Months Ended
Jun. 30, 2016
Accrued Expenses [Abstract]  
Accounts Payable and Accrued Liabilities Disclosure [Text Block]
7.
Accrued Expenses:
 
Accrued expenses include approximately $14.1 million and $15.2 million in advertising liabilities as of June 30, 2016 and December 31, 2015, respectively.