Note 3 - Acquisitions (Tables)

12 Months Ended

Dec. 31, 2014

Note 3 - Acquisitions (Tables) [Line Items]

Business Acquisition, Pro Forma Information [Table Text Block]

	Years ended December 31,
	2013			2014
	(In thousands, except per share data)
Pro forma revenues	$	707,064		$	798,337
Pro forma net income (loss)		(10,144	)		10,900
Pro forma net income (loss) per share - basic	$	(0.29	)	$	0.28
Pro forma net income (loss) per share - diluted	$	(0.29	)	$	0.26

2012 Acquisitions [Member]

Note 3 - Acquisitions (Tables) [Line Items]

Schedule of Preliminary Purchase Price Allocation [Table Text Block]

	Preliminary purchase price allocation December 31, 2012			Adjustments/ reclassifications			Final purchase price allocation December 31, 2013
Equipment and leasehold improvements		850			—			850
Customer relationships		44,413			—			44,413
Tradename		11,901			—			11,901
Covenants not to compete		313			—			313
Technology		666			—			666
Goodwill		60,373			5,606			65,979
Net deferred tax liability associated with step-up in book basis		(9,610	)		(5,836	)		(15,446	)
Assets acquired and liabilities assumed, net		269			580			849
Totals		109,175			350			109,525

2013 Acquisitions [Member]

Note 3 - Acquisitions (Tables) [Line Items]

Schedule of Preliminary Purchase Price Allocation [Table Text Block]

	Preliminary purchase price allocation December 31, 2013		Adjustments/ reclassifications			Final purchase price allocation December 31, 2014
Equipment and leasehold improvements		130		—			130
Customer relationships		3,141		—			3,141
Tradename		710		—			710
Goodwill		3,024		(309	)		2,715
Assets acquired and liabilities assumed, net		688		(64	)		624
Totals		7,693		(373	)		7,320

2014 Acquisitions [Member]

Note 3 - Acquisitions (Tables) [Line Items]

Schedule of Preliminary Purchase Price Allocation [Table Text Block]

	Preliminary purchase price allocation December 31, 2014
Equipment and leasehold improvements	$	886
Customer relationships		50,216
Tradename		10,342
Covenants not to compete		590
Technology		1,870
Goodwill		136,034
Net deferred tax liability associated with step-up in book basis		(9,041	)
Assets acquired and liabilities assumed, net		3,785
Total	$	194,682