Accrued Expenses (Tables)

12 Months Ended

Dec. 31, 2019

Payables and Accruals [Abstract]

Schedule of Accrued Liabilities [Table Text Block]

	December 31,
	2019		2018
Advertising liabilities	$	25,713	$	14,868
Salary (including bonus and related taxes)		16,173		19,939
Royalties		16,646		14,533
Due vendors (not yet invoiced)		19,196		29,790
Retirement reserves		9,907		9,616
Refund (return) liability		4,131		2,200
Other		4,655		3,722
	$	96,421	$	94,668