Note 7 - Balance Sheet Details - Property and Equipment (Details) - USD ($) $ in Thousands	Mar. 31, 2017	Dec. 31, 2016
Property and equipment, gross	$ 325,394	$ 319,158
Accumulated depreciation	(110,004)	(106,365)
Total	215,390	212,793
Land and Land Improvements [Member]
Property and equipment, gross	12,585	12,079
Building and Building Improvements [Member]
Property and equipment, gross	125,920	122,747
Machinery and Equipment [Member]
Property and equipment, gross	84,140	81,687
Dies and Tools [Member]
Property and equipment, gross	23,814	23,269
Vehicles [Member]
Property and equipment, gross	1,615	1,474
Office Equipment [Member]
Property and equipment, gross	67,512	66,929
Leasehold Improvements [Member]
Property and equipment, gross	2,380	2,319
Construction in Progress [Member]
Property and equipment, gross	$ 7,428	$ 8,654

Amount of accumulated depreciation, depletion and amortization for physical assets used in the normal conduct of business to produce goods and services.

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