Note 14 - Condensed Consolidating Financial Information of Guarantor Subsidiaries (Detail) - Condensed Consolidating Statement of Operations (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2012	Mar. 31, 2011
Revenues	$ 123,738	$ 66,588
Costs and expenses:
Costs of revenues	81,173	43,569
Selling, general and administrative expenses	28,632	14,328
Depreciation and amortization	14,025	8,609
Total costs and expenses	123,830	66,506
Income (loss) from operations	(92)	82
Interest and other expenses, net	6,573	1,012
Loss before income taxes	(6,665)	(930)
Provision (benefit) for income taxes	(2,342)	(371)
Net loss	(4,323)	(559)
Guarantor Subsidiaries [Member]
Revenues	87,195	56,858
Costs and expenses:
Costs of revenues	60,415	37,862
Selling, general and administrative expenses	17,022	12,094
Depreciation and amortization	8,719	7,156
Total costs and expenses	86,156	57,112
Income (loss) from operations	1,039	(254)
Interest and other expenses, net	5,312	430
Loss before income taxes	(4,273)	(684)
Provision (benefit) for income taxes	(2,485)	(318)
Net loss	(1,788)	(366)
Non-Guarantor Subsidiaries [Member]
Revenues	36,543	9,730
Costs and expenses:
Costs of revenues	20,758	5,707
Selling, general and administrative expenses	11,610	2,234
Depreciation and amortization	5,306	1,453
Total costs and expenses	37,674	9,394
Income (loss) from operations	(1,131)	336
Interest and other expenses, net	1,261	582
Loss before income taxes	(2,392)	(246)
Provision (benefit) for income taxes	143	(53)
Net loss	(2,535)	(193)
Parent Company [Member]
Revenues	0	0
Costs and expenses:
Costs of revenues	0	0
Selling, general and administrative expenses	0	0
Depreciation and amortization	0	0
Total costs and expenses	0	0
Income (loss) from operations	0	0
Interest and other expenses, net	0	0
Loss before income taxes	0	0
Provision (benefit) for income taxes	0	0
Net loss	$ 0	$ 0