Note 7 - Balance Sheet Details (Tables)

12 Months Ended

Dec. 31, 2018

Notes Tables

Schedule of Inventory, Current [Table Text Block]

	December 31,
	2018		2017
Raw material	$	348,980	$	242,947
Work-in-process		6,971		2,544
Finished goods		188,799		141,558
Total	$	544,750	$	387,049

Property, Plant and Equipment [Table Text Block]

	December 31,
	2018			2017
Land and improvements	$	15,975		$	13,118
Buildings and improvements		163,161			132,072
Machinery and equipment		103,726			90,487
Dies and tools		28,198			24,504
Vehicles		2,070			1,878
Office equipment and systems		82,638			73,254
Leasehold improvements		2,137			2,436
Construction in progress		26,543			18,799
Gross property and equipment		424,448			356,548
Accumulated depreciation		(145,519	)		(126,168	)
Total	$	278,929		$	230,380