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Note 8 - Income Taxes (Detail) (USD $) | 3 Months Ended | 9 Months Ended | 12 Months Ended
--- | --- | --- | ---
Sep. 30, 2012 | Dec. 31, 2011 | Sep. 30, 2011 | Sep. 30, 2012 | Sep. 30, 2011 | Dec. 31, 2011
Income Tax Expense (Benefit) | $ 577,383 |  | $ 422,592 | $ 1,755,284 | $ 750,906 |
Income (Loss) from Continuing Operations before Equity Method Investments, Income Taxes, Extraordinary Items, Noncontrolling Interest | 2,212,383 |  | (755,668) | 5,749,901 | 866,251 |
Income Tax Reconciliation, Tax Credits, Research |  |  |  |  |  | 100,000
Valuation Allowance, Deferred Tax Asset, Change in Amount |  | 3,600,000 |  |  |  |
Unrecognized Tax Benefits | $ 100,000 | $ 200,000 |  | $ 100,000 |  | $ 200,000

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- Definition Sum of operating profit and nonoperating income or expense before Income or Loss from equity method investments, income taxes, extraordinary items, and noncontrolling interest. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.4-08.(h)(1)(i)) -URI http://asc.fasb.org/extlink&oid=6881521&loc=d3e23780-122690 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 08 -Paragraph h -Subparagraph 1(i) -Article 4 + Details
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