Note 7 - Goodwill and Other Intangible Assets, Net Schedule of Acquired Finite-Lived Intangible Assets (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014
Finite-Lived Intangible Assets [Line Items]
Finite-Lived Intangible Assets, Gross	$ 113,776	$ 102,858
Finite-Lived Intangible Assets, Accumulated Amortization	(19,529)	(6,550)
Finite-Lived Intangible Assets, Net	$ 94,247	96,308
Business Acquisition, Goodwill and Other Intangible Assets, Expected Number of Years For Tax Deduction	15 years
Customer Relationships [Member]
Finite-Lived Intangible Assets [Line Items]
Finite-Lived Intangible Assets, Gross	$ 83,471	79,203
Finite-Lived Intangible Assets, Accumulated Amortization	(11,038)	(2,917)
Finite-Lived Intangible Assets, Net	$ 72,433	76,286
Customer Relationships [Member] | Minimum [Member]
Finite-Lived Intangible Assets [Line Items]
Acquired Finite-lived Intangible Assets, Weighted Average Useful Life	3 years
Customer Relationships [Member] | Maximum [Member]
Finite-Lived Intangible Assets [Line Items]
Acquired Finite-lived Intangible Assets, Weighted Average Useful Life	15 years
Technology-Based Intangible Assets [Member]
Finite-Lived Intangible Assets [Line Items]
Finite-Lived Intangible Assets, Gross	$ 15,100	8,970
Finite-Lived Intangible Assets, Accumulated Amortization	(2,949)	(797)
Finite-Lived Intangible Assets, Net	$ 12,151	8,173
Technology-Based Intangible Assets [Member] | Minimum [Member]
Finite-Lived Intangible Assets [Line Items]
Acquired Finite-lived Intangible Assets, Weighted Average Useful Life	3 years
Technology-Based Intangible Assets [Member] | Maximum [Member]
Finite-Lived Intangible Assets [Line Items]
Acquired Finite-lived Intangible Assets, Weighted Average Useful Life	8 years
Trademarks [Member]
Finite-Lived Intangible Assets [Line Items]
Finite-Lived Intangible Assets, Gross	$ 8,340	7,860
Finite-Lived Intangible Assets, Accumulated Amortization	(1,243)	(393)
Finite-Lived Intangible Assets, Net	$ 7,097	7,467
Acquired Finite-lived Intangible Assets, Weighted Average Useful Life	10 years
Order or Production Backlog [Member]
Finite-Lived Intangible Assets [Line Items]
Finite-Lived Intangible Assets, Gross	$ 6,680	6,680
Finite-Lived Intangible Assets, Accumulated Amortization	(4,184)	(2,406)
Finite-Lived Intangible Assets, Net	$ 2,496	4,274
Order or Production Backlog [Member] | Minimum [Member]
Finite-Lived Intangible Assets [Line Items]
Acquired Finite-lived Intangible Assets, Weighted Average Useful Life	3 years
Order or Production Backlog [Member] | Maximum [Member]
Finite-Lived Intangible Assets [Line Items]
Acquired Finite-lived Intangible Assets, Weighted Average Useful Life	5 years
Noncompete Agreements [Member]
Finite-Lived Intangible Assets [Line Items]
Finite-Lived Intangible Assets, Gross	$ 185	145
Finite-Lived Intangible Assets, Accumulated Amortization	(115)	(37)
Finite-Lived Intangible Assets, Net	$ 70	$ 108
Noncompete Agreements [Member] | Minimum [Member]
Finite-Lived Intangible Assets [Line Items]
Acquired Finite-lived Intangible Assets, Weighted Average Useful Life	2 years
Noncompete Agreements [Member] | Maximum [Member]
Finite-Lived Intangible Assets [Line Items]
Acquired Finite-lived Intangible Assets, Weighted Average Useful Life	3 years