Note 3 - Acquisitions (Tables)

3 Months Ended

Mar. 31, 2016

2016 Acquisitions [Member]

Notes Tables

Schedule of Preliminary Purchase Price Allocation [Table Text Block]

	Preliminary purchase price allocation March 31 , 201 6
Equipment and leasehold improvements	$	1,044
Customer relationships		32,201
Tradename		6,900
Goodwill		70,378
Net deferred tax liability associated with step-up in book basis		(15,104	)
Assets acquired and liabilities assumed, net		4,219
Total	$	99,638

2015 Acquisitions [Member]

Notes Tables

Schedule of Preliminary Purchase Price Allocation [Table Text Block]

	Preliminary purchase price allocation December 31, 2015			Adjustments/ reclassifications			Preliminary purchase price allocation March 31 , 2016
Equipment and leasehold improvements	$	1,513		$	—		$	1,513
Customer relationships		28,530			—			28,530
Tradenames		1,965			—			1,965
Covenants not to compete		182			—			182
Goodwill		24,296			489			24,785
Net deferred tax liability associated with step-up in book basis		(18	)		—			(18	)
Assets acquired and liabilities assumed, net		18,931			(218	)		18,713
Totals	$	75,399		$	271		$	75,670

Business Acquisition, Pro Forma Information [Table Text Block]

	Three months ended March 31 ,
	2015		2016
	(In thousands, except per share data)
Pro forma revenues	$	224,914	$	228,389
Pro forma net income		139		3,812
Pro forma income per share: Basic	$	0.00	$	0.09
Pro forma income per share: Diluted	$	0.00	$	0.09