Note 3 - Acquisitions (Tables)

9 Months Ended

Sep. 30, 2012

Business Acquisition, Pro Forma Information [Table Text Block]

	Three months ended September 30,								Nine months ended September 30,
	2011				2012				2011				2012
	(In thousands, except per share data)
Pro forma revenues		$	132,896			$	141,360			$	404,724			$	421,481
Pro forma net loss			(3,895	)			(4,174	)			(6,289	)			(14,979	)
Pro forma loss per share:
Basic and diluted		$	(0.11	)		$	(0.12	)		$	(0.18	)		$	(0.44	)

MES Group [Member]

Schedule of Purchase Price Allocation [Table Text Block]

	Preliminary purchase price allocation December 31, 2011			Adjustments/ reclassifications			Final purchase price allocation September 30, 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

Premex Group [Member]

Schedule of Purchase Price Allocation [Table Text Block]

	Preliminary purchase price allocation December 31, 2011		Adjustments/ reclassifications			Final purchase price allocation September 30, 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 asset (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

Other 2011 Acquisitions [Member]

Schedule of Purchase Price Allocation [Table Text Block]

	Preliminary purchase price allocation December 31, 2011			Adjustments/ reclassifications			Preliminary purchase price allocation September 30, 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			(1,751	)		19,749
Net deferred tax liability associated with step-up in book basis		(356	)		50			(306	)
Assets acquired and liabilities assumed, net		2,598			202			2, 800
Totals	$	46,052		$	(1,499	)	$	44,553

Other 2012 Acquisitions [Member]

Schedule of Purchase Price Allocation [Table Text Block]

	Preliminary purchase price allocation September 30, 2012
Equipment and leasehold improvements	$	750
Customer relationships		38,192
Tradename		10,821
Covenants not to compete		483
Technology		396
Goodwill		45,103
Assets acquired and liabilities assumed, net		141
Totals	$	95,886