Note 14 - Condensed Consolidating Financial Information of Guarantor Subsidiaries (Details) - Condensed Consolidating Balance Sheet (USD $) In Thousands, unless otherwise specified	Jun. 30, 2013		Dec. 31, 2012		Jun. 30, 2012	Dec. 31, 2011
Current assets:
Cash and cash equivalents	$ 9,167		$ 8,627		$ 12,362	$ 8,416
Accounts receivable, net	152,815		144,676
Other receivables			21
Prepaid expenses	5,057		5,336
Deferred tax assets	18		16
Other current assets	1,141		1,213
Total current assets	168,198		159,889
Property, equipment and leasehold improvements, net	10,065		10,333
Goodwill	359,611		370,143			300,260
Intangible assets, net	116,209		152,896
Long-term accounts receivable, less current portion	32,476		31,708
Deferred tax assets, noncurrent	20,231		4,173
Deferred financing costs, net	9,175		10,258
Other assets	1,494		1,101
Total assets	717,459		740,501
Current liabilities:
Accounts payable	49,850		46,940
Accrued expenses	37,279		35,995
Accrued interest expense	10,398		10,918
Deferred revenue	4,872		3,951
Current portion of subordinated unsecured notes payable	282		275
Current portion of contingent earnout obligation	94		91
Current portion of working capital facilities			5,983
Other current liabilities	5,474		5,973
Total current liabilities	108,249		110,126
Senior unsecured notes payable	250,000		250,000
Senior secured revolving credit facility and working capital facilities	107,261		128,402
Long-term subordinated unsecured notes payable, less current portion	309		300
Other long-term liabilities	7,436		7,525
Total liabilities	473,255		496,353
Commitments and contingencies
Stockholders’ equity (deficit) (1)	244,204	[1]	244,148	[1]
Total liabilities and stockholders' equity (deficit)	717,459		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	1,570		4,125		8,516	6,044
Accounts receivable, net	47,574		43,939
Other receivables			17
Prepaid expenses	1,986		2,723
Deferred tax assets	22		37
Total current assets	51,152		50,841
Property, equipment and leasehold improvements, net	7,419		8,339
Goodwill	249,006		258,890
Intangible assets, net	47,804		62,420
Deferred tax assets, noncurrent	15,398		61
Other assets	489		495
Total assets	371,268		381,046
Current liabilities:
Accounts payable	16,435		14,756
Accrued expenses	6,161		8,067
Deferred revenue	102		103
Current portion of subordinated unsecured notes payable	282		275
Current portion of contingent earnout obligation	94		91
Other current liabilities	1,584		2,226
Total current liabilities	24,658		25,518
Long-term subordinated unsecured notes payable, less current portion	309		300
Other long-term liabilities	1,427		1,493
Total liabilities	26,394		27,311
Commitments and contingencies
Stockholders’ equity (deficit) (1)	344,874	[1]	353,735	[1]
Total liabilities and stockholders' equity (deficit)	371,268		381,046
Non-Guarantor Subsidiaries [Member]
Current assets:
Cash and cash equivalents	7,597		4,502		3,846	2,372
Accounts receivable, net	105,241		100,737
Other receivables			4
Prepaid expenses	3,071		2,613
Other current assets	1,141		1,213
Total current assets	117,050		109,069
Property, equipment and leasehold improvements, net	2,646		1,994
Goodwill	110,605		111,253
Intangible assets, net	68,405		90,476
Long-term accounts receivable, less current portion	32,476		31,708
Deferred tax assets, noncurrent	4,833		4,112
Other assets	1,005		606
Total assets	337,020		349,218
Current liabilities:
Accounts payable	33,415		32,184
Accrued expenses	31,118		27,928
Deferred revenue	4,770		3,848
Deferred tax liability	4		21
Current portion of working capital facilities			5,983
Other current liabilities	3,890		3,747
Total current liabilities	73,197		73,711
Senior secured revolving credit facility and working capital facilities	29,261		28,476
Other long-term liabilities	6,009		6,032
Total liabilities	108,467		108,219
Commitments and contingencies
Stockholders’ equity (deficit) (1)	228,553	[1]	240,999	[1]
Total liabilities and stockholders' equity (deficit)	337,020		349,218
Parent Company [Member]
Current assets:
Deferred financing costs, net	9,175		10,258
Total assets	9,175		10,258
Current liabilities:
Accrued interest expense	10,398		10,918
Total current liabilities	10,398		10,918
Senior unsecured notes payable	250,000		250,000
Senior secured revolving credit facility and working capital facilities	78,000		99,926
Total liabilities	338,398		360,844
Commitments and contingencies
Stockholders’ equity (deficit) (1)	(329,223)	[1]	(350,586)	[1]
Total liabilities and stockholders' equity (deficit)	$ 9,175		$ 10,258

[1] Includes intercompany investments in subsidiaries.