Note 8 - Fair Value Measurements (Detail) - Fair Value of Financial Assets and Liabilities Measured on a Nonrecurring Basis (USD $)	3 Months Ended	6 Months Ended
	Jun. 30, 2012	Jun. 30, 2012	Dec. 31, 2011
Description
Property and equipment, net	$ 59,630,728	$ 59,630,728	$ 65,881,975
Property and equipment, net	(2,874,000)	(2,874,000)
Goodwill	44,956,840	44,956,840	188,954,840
Goodwill	(143,998,000)	(143,998,000)
Intangible assets, net	10,328,865	10,328,865	20,545,691
Intangible assets, net	(5,748,000)	(5,748,000)
		(2,874,000)
Fair Value, Inputs, Level 3 [Member]
Description
Property and equipment, net	59,630,728	59,630,728
Goodwill	44,956,840	44,956,840
Intangible assets, net	10,328,865	10,328,865
Total Impairments [Member]
Description
Property and equipment, net		(2,874,000)
Goodwill		(143,998,000)
Intangible assets, net		(5,748,000)
		$ (152,620,000)