Note 16 - Selected Quarterly Financial Data (unaudited) (Detail) - Selected Quarterly Financial Data: (USD $)	12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010
Fiscal 2011:
Revenue	$ 98,404,232	$ 101,843,567	$ 104,400,219
Operating income	(129,393,586)	24,630,095	26,368,764
Net income common share (in Dollars per share)	$ (9.60)	$ 0.17	$ 0.05
Quarter One [Member]
Fiscal 2011:
Revenue	25,374,241	25,392,000
Operating income	6,616,738	5,320,713
Net income	818,238	4,654
Net income common share (in Dollars per share)	$ 0.06
Quarter Two [Member]
Fiscal 2011:
Revenue	24,713,773	25,501,062
Operating income	(148,061,028)	7,326,611
Net income	(128,010,613)	1,283,277
Net income common share (in Dollars per share)	$ (9.68)	$ 0.1
Quarter Three [Member]
Fiscal 2011:
Revenue	24,427,896	25,302,747
Operating income	6,487,374	6,124,154
Net income	316,306	885,462
Net income common share (in Dollars per share)	$ 0.02	$ 0.07
Quarter Four [Member]
Fiscal 2011:
Revenue	23,888,322	25,647,758
Operating income	5,563,331	5,858,617
Net income	$ (23,496)	$ 24,025