Note 5 - Balance Sheet Components - Property and Equipment, Net (Details) - USD ($) $ in Thousands	Dec. 31, 2016	Dec. 31, 2015
Property and equipment	$ 170,461	$ 142,483
Less: accumulated depreciation and amortization	(85,290)	(77,124)
Total	85,171	65,359
Production Equipment and Software [Member]
Property and equipment	95,565	92,208
Building and Building Improvements [Member]
Property and equipment	48,964	34,736
Transportation Equipment [Member]
Property and equipment	11,291	4,694
Land [Member]
Property and equipment	8,285	5,600
Furniture and Fixtures [Member]
Property and equipment	3,518	2,962
Leasehold Improvements [Member]
Property and equipment	$ 2,838	$ 2,283

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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