Note 13 - Income Taxes (Detail) - Total Income Tax Expense (Benefit) Applying U.S. Federal Income Tax Rate (USD $)	12 Months Ended
Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010
Federal income tax at statutory rate	35.00%	35.00%	35.00%
Federal income tax provision (benefit) at statutory rate	$ (53,126,353)	$ 856,571	$ 455,183
State income tax provision (benefit), net of federal income tax effects	(3,029,300)	213,022	217,387
Goodwill Impairment	2,874,000
Change in fair value of derivative	(84,503)	(781,466)	307,482
Other	(46,506)	(38,198)	(370,243)
Provision (benefit) on income taxes	(24,867,841)	249,929	609,809
Effective income tax rate	16.40%	10.20%	46.90%
Goodwill [Member]
Goodwill Impairment	$ 31,418,821

The charge against earnings resulting from the aggregate write down of all assets from their carrying value to their fair value.

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A ratio calculated by dividing the reported amount of income tax expense attributable to continuing operations for the period by GAAP-basis pretax income from continuing operations.

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- Definition

The domestic federal statutory tax rate applicable under enacted tax laws to the Company's pretax income from continuing operations for the period. The "statutory" tax rate is the regular tax rate if there are alternative tax systems.

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- Definition

Amount of gain (loss) from the increase (decrease) in fair value of foreign currency derivatives and nonderivative instruments designated as fair value hedging instruments which were recognized in earnings, net of offsets by the gain (loss) on the hedged item to the extent that the fair value hedge was determined to be effective.

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- Definition

The sum of the current income tax expense or benefit and the deferred income tax expense or benefit pertaining to continuing operations.

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- Definition

The amount of income tax expense or benefit for the period computed by applying the domestic federal statutory tax rates to pretax income from continuing operations.

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