Note 14 - Condensed Consolidating Financial Information of Guarantor Subsidiaries (Details) - Condensed Consolidating Statement of Operations and Comprehensive Income (Loss) (USD $)	3 Months Ended
	Mar. 31, 2014		Mar. 31, 2013
Condensed Income Statements, Captions [Line Items]
Revenues	$ 173,028,000		$ 148,703,000
Costs and expenses:
Costs of revenues	111,035,000		97,384,000
Selling, general and administrative expenses	40,528,000		33,257,000
Depreciation and amortization	14,342,000	[1],[2]	16,326,000	[1],[2]
Total costs and expenses	165,905,000		146,967,000
Income (loss) from operations	7,123,000		1,736,000
Interest and other expenses, net	7,577,000		7,530,000
Income (loss) before income taxes	(454,000)		(5,794,000)
Provision (benefit) for income taxes	(165,000)		(2,202,000)
Net loss	(289,000)		(3,592,000)
Net income (loss)	(289,000)		(3,592,000)
Consolidation, Eliminations [Member]
Costs and expenses:
Net income (loss) of consolidated subsidiaries	3,592,000		2,782,000
Net income (loss)	3,592,000		2,782,000
Guarantor Subsidiaries [Member]
Condensed Income Statements, Captions [Line Items]
Revenues	106,049,000		91,178,000
Costs and expenses:
Costs of revenues	71,067,000		64,131,000
Selling, general and administrative expenses	21,705,000		18,124,000
Depreciation and amortization	7,720,000		8,623,000
Total costs and expenses	100,492,000		90,878,000
Income (loss) from operations	5,557,000		300,000
Interest and other expenses, net	5,692,000		5,559,000
Income (loss) before income taxes	(135,000)		(5,259,000)
Provision (benefit) for income taxes	(1,642,000)		(3,058,000)
Net loss	1,507,000		(2,201,000)
Net income (loss) of consolidated subsidiaries	(1,796,000)		(1,391,000)
Net income (loss)	(289,000)		(3,592,000)
Non-Guarantor Subsidiaries [Member]
Condensed Income Statements, Captions [Line Items]
Revenues	66,979,000		57,525,000
Costs and expenses:
Costs of revenues	39,968,000		33,253,000
Selling, general and administrative expenses	18,823,000		15,133,000
Depreciation and amortization	6,622,000		7,703,000
Total costs and expenses	65,413,000		56,089,000
Income (loss) from operations	1,566,000		1,436,000
Interest and other expenses, net	1,885,000		1,971,000
Income (loss) before income taxes	(319,000)		(535,000)
Provision (benefit) for income taxes	1,477,000		856,000
Net loss	(1,796,000)		(1,391,000)
Net income (loss)	(1,796,000)		(1,391,000)
Parent Company [Member]
Costs and expenses:
Net income (loss) of consolidated subsidiaries	(1,796,000)		(1,391,000)
Net income (loss)	$ (1,796,000)		$ (1,391,000)

[1] For segment purposes, the Company defines segment profit as earnings before interest expenses, income taxes, depreciation and amortization, sharebasedcompensation expenses, acquisition related transaction costs and other expenses. A consolidated reconciliation from segment profit to income fromoperations is included below.

[2] Long-lived assets are noncurrent assets excluding deferred tax assets and deferred financing costs.