Note 9 - Balance Sheet Details - Property and Equipment (Details) - USD ($) $ in Thousands	Sep. 30, 2018	Dec. 31, 2017
Property and equipment, gross	$ 384,313	$ 356,548
Accumulated depreciation	(140,951)	(126,168)
Total	243,362	230,380
Land and Land Improvements [Member]
Property and equipment, gross	15,583	13,118
Building and Building Improvements [Member]
Property and equipment, gross	141,275	132,072
Machinery and Equipment [Member]
Property and equipment, gross	96,756	90,487
Dies and Tools [Member]
Property and equipment, gross	26,921	24,504
Vehicles [Member]
Property and equipment, gross	1,947	1,878
Office Equipment [Member]
Property and equipment, gross	80,144	73,254
Leasehold Improvements [Member]
Property and equipment, gross	2,471	2,436
Construction in Progress [Member]
Property and equipment, gross	$ 19,216	$ 18,799

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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