Investment in Associated Companies (Tables)

12 Months Ended

Dec. 31, 2018

Investments in Associated Companies [Abstract]

Schedule of Equity Method Investments [Table Text Block]

		As of December 31,
		2018		2017
Current assets	$	43,581	$	37,683
Noncurrent assets		990		936
Current liabilities		29,632		24,858
Noncurrent liabilities		1,685		1,457

		Year Ended December 31,
		2018		2017		2016
Net sales	$	43,875	$	42,555	$	41,448
Gross margin		12,983		13,440		13,082
Income before income taxes		2,494		2,900		2,289
Net income		1,874		1,471		1,210

		As of December 31,
		2018		2017
Total assets	$	103,705	$	120,154
Total liabilities		53,049		54,258

		Year Ended December 31,
		2018		2017		2016
Revenue	$	5,841	$	14,042	$	5,632
Income before income taxes		3,688		11,705		5,622
Net income		2,954		7,788		5,148