Consolidated Statements of Operations and Comprehensive Income (Loss) - USD ($) shares in Thousands, $ in Thousands	12 Months Ended
	Dec. 31, 2018	Dec. 31, 2017
Income Statement [Abstract]
Sales Revenue, Goods, Net	$ 310,204	$ 305,907
Sales Revenue, Services, Net	39,433	0
Net sales	349,637	305,907
Cost of goods sold	145,493	122,889
Cost of Services	14,604	0
Gross profit	189,540	183,018
Operating expenses:
Selling Expense	87,642	98,025
General and Administrative Expense	92,688	80,479
Selling, general and administrative expenses	180,330	178,504
Gain (Loss) on Disposition of Property Plant Equipment, Excluding Oil and Gas Property and Timber Property	0	(5,422)
Operating expenses	180,330	173,082
Operating income	9,210	9,936
Interest expense	(1,009)	(622)
Other income (expenses), net	(1,338)	780
Income before income taxes	(6,863)	(10,094)
Income tax (benefit) expense	649	(19,594)
Net income	$ 6,214	$ 29,688
Earnings Per Share, Basic	$ 0.70	$ 3.35
Diluted income per share of common stock	$ 0.67	$ 3.25
Basic weighted average shares outstanding	8,909	8,864
Effect of dilutive securities outstanding	364	267
Diluted weighted average shares outstanding	9,273	9,131
Comprehensive income (loss)
Net income	$ 6,214	$ 29,688
Other comprehensive loss, net of tax:
Adjustment for foreign currency translation	(2,382)	861
Comprehensive income	$ 3,832	$ 30,549