Note 18 - Subsidiary Guarantees (Detail) - Condensed Consolidating Balance Sheets (USD $)	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010	Dec. 31, 2009
Current assets
Cash and cash equivalents	$ 32,516,283	$ 12,393,792	$ 18,226,374	$ 17,731,044
Accounts receivable, net	4,205,944	4,355,632
Total current assets	49,732,060	28,217,568
Property and equipment, net	58,242,903	65,881,975
Goodwill	44,956,840	188,954,840
Intangible assets, net	6,670,392	20,545,691
Investments	1,919,327	1,943,805
Other long-term assets	490,131	240,667
Total assets	172,324,961	317,724,313
Current liabilities
Accounts payable and accrued expenses	2,007,405	1,490,717
Total current liabilities	289,979,729	9,612,452
Current notes payable	270,990,023
Other liabilities	484,019	403,823
Long-term notes payable		271,106,387
Parent [Member]
Current assets
Prepaid expenses	459,021	194,244
Deferred income taxes	1,843,160	726,310
Investment in subsidiaries	72,218,114	147,614,140
Intercompany receivable	(219,453,880)	(154,849,721)
Total current assets	(144,933,585)	(6,315,027)
Goodwill	239,970,317	239,970,317
Investments	1,203,605	1,203,605
Deferred income taxes	6,275,997	7,454,443
Other long-term assets	4,037,311	4,485,324
Total assets	106,553,645	246,798,662
Current liabilities
Accounts payable and accrued expenses	8,585,915	1,306,872
Other current liabilities	430,896	353,285
Total current liabilities	239,743,358	1,660,157
Current notes payable	230,726,547
Deferred income taxes	8,407,880	26,421,911
Other liabilities		241,438
Long-term notes payable		230,842,911
Stockholders' equity (deficit)	(141,597,593)	(12,367,755)
Total liabilities and stockholders' equity (deficit)	106,553,645	246,798,662
Guarantor Subsidiaries [Member]
Current assets
Cash and cash equivalents	32,515,933	12,393,441
Accounts receivable, net	11,160,581	11,445,049
Materials and supplies	1,165,042	827,194
Prepaid expenses	1,555,192	1,115,339
Intercompany receivable	(29,764,405)	(688,391)
Total current assets	16,632,343	25,092,632
Property and equipment, net	56,819,459	64,524,981
Goodwill	(121,910,761)	(47,435,761)
Intangible assets, net	5,580,175	18,186,227
Investments	407,708	432,186
Other long-term assets	490,131	240,667
Total assets	(41,980,945)	61,040,932
Current liabilities
Accounts payable and accrued expenses	6,980,505	4,793,854
Intercompany payables	(219,453,880)	(154,849,721)
Other current liabilities	1,581,987	1,668,933
Total current liabilities	(170,627,912)	(148,386,934)
Current notes payable	40,263,476
Deferred income taxes	12,970,082	20,354,646
Other liabilities	1,272,657	1,019,407
Long-term notes payable		40,263,476
Stockholders' equity (deficit)	114,404,228	147,790,337
Total liabilities and stockholders' equity (deficit)	(41,980,945)	61,040,932
Non-Guarantor Subsidiaries [Member]
Current assets
Cash and cash equivalents	350	351
Accounts receivable, net	385,159	543,122
Materials and supplies	680,204	953,626
Prepaid expenses	(32,582)	18,892
Intercompany receivable	29,764,405	688,391
Total current assets	30,797,536	2,204,382
Property and equipment, net	1,423,444	1,356,994
Goodwill	(73,102,716)	(3,579,716)
Intangible assets, net	1,090,217	2,359,464
Investments	308,014	308,014
Total assets	(39,483,505)	2,649,138
Current liabilities
Accounts payable and accrued expenses	1,341,363	1,424,095
Other current liabilities	69,040	65,413
Total current liabilities	1,410,403	1,489,508
Deferred income taxes	1,292,206	1,335,827
Stockholders' equity (deficit)	(42,186,114)	(176,197)
Total liabilities and stockholders' equity (deficit)	(39,483,505)	2,649,138
Eliminations [Member]
Current assets
Investment in subsidiaries	(72,218,114)	(147,614,140)
Intercompany receivable	219,453,880	154,849,721
Total current assets	147,235,766	7,235,581
Total assets	147,235,766	7,235,581
Current liabilities
Intercompany payables	219,453,880	154,849,721
Total current liabilities	219,453,880	154,849,721
Stockholders' equity (deficit)	(72,218,114)	(147,614,140)
Total liabilities and stockholders' equity (deficit)	147,235,766	7,235,581
Consolidated [Member]
Current assets
Cash and cash equivalents	32,516,283	12,393,792
Accounts receivable, net	11,545,740	11,988,171
Materials and supplies	1,845,246	1,780,820
Prepaid expenses	1,981,631	1,328,475
Deferred income taxes	1,843,160	726,310
Total current assets	49,732,060	28,217,568
Property and equipment, net	58,242,903	65,881,975
Goodwill	44,956,840	188,954,840
Intangible assets, net	6,670,392	20,545,691
Investments	1,919,327	1,943,805
Deferred income taxes	6,275,997	7,454,443
Other long-term assets	4,527,442	4,725,991
Total assets	172,324,961	317,724,313
Current liabilities
Accounts payable and accrued expenses	16,907,783	7,524,821
Other current liabilities	2,081,923	2,087,631
Total current liabilities	289,979,729	9,612,452
Current notes payable	270,990,023
Deferred income taxes	22,670,168	48,112,384
Other liabilities	1,272,657	1,260,845
Long-term notes payable		271,106,387
Stockholders' equity (deficit)	(141,597,593)	(12,367,755)
Total liabilities and stockholders' equity (deficit)	$ 172,324,961	$ 317,724,313