Note 14 - Condensed Consolidating Financial Information of Guarantor Subsidiaries (Details) - Condensed Consolidating Balance Sheet (USD $) In Thousands, unless otherwise specified	Sep. 30, 2013		Dec. 31, 2012		Sep. 30, 2012	Dec. 31, 2011
Current assets:
Cash and cash equivalents	$ 12,045		$ 8,627		$ 6,406	$ 8,416
Accounts receivable, net	159,315		144,676
Other receivables	29		21
Prepaid expenses	6,012		5,336
Deferred tax assets	3		16
Other current assets	1,211		1,213
Total current assets	178,615		159,889
Property, equipment and leasehold improvements, net	10,737		10,333
Goodwill	368,825		370,143			300,260
Intangible assets, net	104,506		152,896
Long-term accounts receivable, less current portion	35,809		31,708
Deferred tax assets, noncurrent	16,443		4,173
Deferred financing costs, net	8,744		10,258
Other assets	1,475		1,101
Total assets	725,154		740,501
Current liabilities:
Accounts payable	50,988		46,940
Accrued expenses	37,772		35,995
Accrued interest expense	4,836		10,918
Deferred revenue	5,848		3,951
Current portion of subordinated unsecured notes payable	314		275
Current portion of contingent earnout obligation			91
Current portion of working capital facilities			5,983
Other current liabilities	6,081		5,973
Total current liabilities	105,839		110,126
Senior unsecured notes payable	250,000		250,000
Senior secured revolving credit facility and working capital facilities	101,226		128,402
Long-term subordinated unsecured notes payable, less current portion			300
Other long-term liabilities	7,735		7,525
Total liabilities	464,800		496,353
Commitments and contingencies
Stockholders’ equity (deficit) (1)	260,354	[1]	244,148	[1]
Total liabilities and stockholders' equity (deficit)	725,154		740,501
Consolidation, Eliminations [Member]
Current assets:
Deferred tax assets	(4)		(21)
Total current assets	(4)		(21)
Total assets	(4)		(21)
Current liabilities:
Deferred tax liability	(4)		(21)
Total current liabilities	(4)		(21)
Total liabilities	(4)		(21)
Commitments and contingencies
Stockholders’ equity (deficit) (1)		[1]		[1]
Total liabilities and stockholders' equity (deficit)	(4)		(21)
Guarantor Subsidiaries [Member]
Current assets:
Cash and cash equivalents	1,193		4,125		3,207	6,044
Accounts receivable, net	45,633		43,939
Other receivables	29		17
Prepaid expenses	2,583		2,723
Deferred tax assets	7		37
Total current assets	49,445		50,841
Property, equipment and leasehold improvements, net	7,428		8,339
Goodwill	248,999		258,890
Intangible assets, net	41,874		62,420
Deferred tax assets, noncurrent	11,187		61
Other assets	490		495
Total assets	359,423		381,046
Current liabilities:
Accounts payable	15,729		14,756
Accrued expenses	2,587		8,067
Deferred revenue	100		103
Current portion of subordinated unsecured notes payable	314		275
Current portion of contingent earnout obligation			91
Other current liabilities	2,001		2,226
Total current liabilities	20,731		25,518
Long-term subordinated unsecured notes payable, less current portion			300
Other long-term liabilities	1,335		1,493
Total liabilities	22,066		27,311
Commitments and contingencies
Stockholders’ equity (deficit) (1)	337,357	[1]	353,735	[1]
Total liabilities and stockholders' equity (deficit)	359,423		381,046
Non-Guarantor Subsidiaries [Member]
Current assets:
Cash and cash equivalents	10,852		4,502		3,199	2,372
Accounts receivable, net	113,682		100,737
Other receivables			4
Prepaid expenses	3,429		2,613
Other current assets	1,211		1,213
Total current assets	129,174		109,069
Property, equipment and leasehold improvements, net	3,309		1,994
Goodwill	119,826		111,253
Intangible assets, net	62,632		90,476
Long-term accounts receivable, less current portion	35,809		31,708
Deferred tax assets, noncurrent	5,256		4,112
Deferred financing costs, net	106
Other assets	985		606
Total assets	357,097		349,218
Current liabilities:
Accounts payable	35,259		32,184
Accrued expenses	35,185		27,928
Deferred revenue	5,748		3,848
Deferred tax liability	4		21
Current portion of working capital facilities			5,983
Other current liabilities	4,080		3,747
Total current liabilities	80,276		73,711
Senior secured revolving credit facility and working capital facilities	34,630		28,476
Other long-term liabilities	6,400		6,032
Total liabilities	121,306		108,219
Commitments and contingencies
Stockholders’ equity (deficit) (1)	235,791	[1]	240,999	[1]
Total liabilities and stockholders' equity (deficit)	357,097		349,218
Parent Company [Member]
Current assets:
Deferred financing costs, net	8,638		10,258
Total assets	8,638		10,258
Current liabilities:
Accrued interest expense	4,836		10,918
Total current liabilities	4,836		10,918
Senior unsecured notes payable	250,000		250,000
Senior secured revolving credit facility and working capital facilities	66,596		99,926
Total liabilities	321,432		360,844
Commitments and contingencies
Stockholders’ equity (deficit) (1)	(312,794)	[1]	(350,586)	[1]
Total liabilities and stockholders' equity (deficit)	$ 8,638		$ 10,258

[1] Includes intercompany investments in subsidiaries.