Additional Financial Information (Tables)

12 Months Ended

Dec. 31, 2017

Additional Financial Information

Consolidated Balance Sheets [Table Text Block]

	December 31,
Consolidated Balance Sheets		2017		2016
Current customer fulfillment costs (included in Other current assets)	$	3,877	$	3,398
Accounts payable and accrued liabilities:
Accounts payable	$	24,439	$	22,027
Accrued payroll and commissions		2,284		2,450
Current portion of employee benefit obligation		1,585		1,644
Accrued interest		2,661		2,023
Other		3,501		2,994
Total accounts payable and accrued liabilities	$	34,470	$	31,138

Consolidated Statements Of Income [Table Text Block]

Consolidated Statements of Income		2017		2016		2015
Advertising expense	$	3,772	$	3,768	$	3,632
Interest expense incurred	$	7,203	$	5,802	$	4,917
Capitalized interest		(903)		(892)		(797)
Total interest expense	$	6,300	$	4,910	$	4,120

Consolidated Statements Of Cash Flows [Table Text Block]

Consolidated Statements of Cash Flows		2017		2016		2015
Cash paid during the year for:
Interest	$	6,622	$	5,696	$	4,822
Income taxes, net of refunds		2,006		3,721		1,851