Note 3 - Acquisitions (Tables)

12 Months Ended

Dec. 31, 2012

Schedule of Purchase Price Allocation [Table Text Block]

	Preliminary purchase price allocation December 31, 2010		Adjustments/ reclassifications		Final purchase price allocation December 31, 2011
Equipment and leasehold improvements	$	186	$	—	$	186
Customer relationships		4,715		—		4,715
Tradename		1,458		—		1,458
Covenants not to compete		66		—		66
Technology		100		—		100
Goodwill		5,601		—		5,601
Deferred tax asset associated with step-up in book basis		680		—		680
Assets acquired and liabilities assumed, net		682		—		682
Totals	$	13,488	$	—	$	13,488

	Preliminary purchase price allocation December 31, 2010		Adjustments/ reclassifications		Final purchase price allocation December 31, 2011
Equipment and leasehold improvements	$	34	$	—	$	34
Customer relationships		5,416		—		5,416
Tradename		720		—		720
Covenants not to compete		33		—		33
Technology		48		—		48
Goodwill		5,708		—		5,708
Deferred tax asset associated with step-up in book basis		815		—		815
Assets acquired and liabilities assumed, net		855		—		855
Totals	$	13,629	$	—	$	13,629

	Preliminary purchase price allocation December 31, 2010		Adjustments/ reclassifications			Final purchase price allocation December 31, 2011
Equipment and leasehold improvements	$	46	$	—		$	46
Customer relationships		6,063		—			6,063
Tradename		1,036		—			1,036
Covenants not to compete		51		—			51
Technology		83		—			83
Goodwill		6,160		14			6,174
Deferred tax asset associated with step-up in book basis		12		8			20
Assets acquired and liabilities assumed, net		540		(22	)		518
Totals	$	13,991	$	—		$	13,991

	Preliminary purchase price allocation December 31, 2010		Adjustments/ reclassifications			Final purchase price allocation December 31, 2011
Equipment and leasehold improvements	$	152	$	—		$	152
Customer relationships		3,238		—			3,238
Tradename		1,704		—			1,704
Covenants not to compete		107		—			107
Technology		5		—			5
Goodwill		2,895		1,487			4,382
Deferred tax asset associated with step-up in book basis		1,163		826			1,989
Assets acquired and liabilities assumed, net		6,358		(1,940	)		4,418
Totals	$	15,622	$	373		$	15,995

	Preliminary purchase price allocation December 31, 2010			Adjustments/ reclassifications			Final purchase price allocation December 31, 2011
Equipment and leasehold improvements	$	792		$	—		$	792
Customer relationships		24,814			—			24,814
Tradename		5,984			—			5,984
Covenants not to compete		242			—			242
Technology		1,219			—			1,219
Goodwill		37,513			298			37,811
Net deferred tax liability associated with step-up in book basis		(2,540	)		212			(2,328	)
Assets acquired and liabilities assumed, net		2,294			(598	)		1,696
Totals	$	70,318		$	(88	)	$	70,230

Business Acquisition, Pro Forma Information [Table Text Block]

	Years ended December 31,
	2011				2012
	(In thousands, except per share data)
Pro forma revenues		$	543,281			$	573,736
Pro forma net loss			(14,156	)			(17,931	)
Pro forma loss per share: Basic and diluted		$	(0.41	)		$	(0.53	)

2011 Acquisitions [Member]

Schedule of Preliminary Purchase Price Allocation [Table Text Block]

	Preliminary purchase price allocation December 31, 2011			Adjustments/ reclassifications			Final purchase price allocation December 31, 2012
Building, equipment and leasehold improvements	$	1,800		$	—		$	1,800
Customer relationships		38,190			—			38,190
Tradename		17,426			—			17,426
Covenants not to compete		511			—			511
Technology		762			—			762
Goodwill		159,988			2,048			162,036
Net deferred tax liability associated with step-up in book basis		(18,244	)		693			(17,551	)
Assets acquired and liabilities assumed, net		14,581			(2,741	)		11,840
Totals	$	215,014		$	—		$	215,014

	Preliminary purchase price allocation December 31, 2011		Adjustments/ reclassifications			Final purchase price allocation December 31, 2012
Equipment and leasehold improvements	$	650	$	—		$	650
Customer relationships		32,886		—			32,886
Tradename		10,602		—			10,602
Covenants not to compete		109		—			109
Technology		2,356		—			2,356
Goodwill		28,131		3,686			31,817
Net deferred tax liability associated with step-up in book basis		603		(3,695	)		(3,092	)
Assets acquired and liabilities assumed, net		33,019		9			33,028
Totals	$	108,356	$	—		$	108,356

	Preliminary purchase price allocation December 31, 2011			Adjustments/ reclassifications			Final purchase price allocation December 31, 2012
Equipment and leasehold improvements	$	213		$	—		$	213
Customer relationships		18,577			—			18,577
Tradename		2,989			—			2,989
Covenants not to compete		197			—			197
Technology		334			—			334
Goodwill		21,500			(1,653	)		19,847
Net deferred tax liability associated with step-up in book basis		(356	)		50			(306	)
Assets acquired and liabilities assumed, net		2,598			104			2,702
Totals	$	46,052		$	(1,499	)	$	44,553

Other 2012 Acquisitions [Member]

Schedule of Preliminary Purchase Price Allocation [Table Text Block]

	Preliminary purchase price allocation December 31, 2012
Equipment and leasehold improvements	$	850
Customer relationships		44,413
Tradename		11,901
Covenants not to compete		313
Technology		666
Goodwill		60,373
Net deferred tax liability associated with step-up in book basis		(9,610	)
Liabilities assumed, net		269
Total	$	109,175