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Note 8 - Dividends (Details) (USD $) In Millions, except Per Share data, unless otherwise specified | 12 Months Ended | 1 Months Ended | 12 Months Ended | 1 Months Ended
--- | --- | --- | --- | ---
Dec. 31, 2013 | Dec. 31, 2012 | Dec. 31, 2011 | Dec. 31, 2013 Paid Quarterly [Member] | Sep. 30, 2013 Paid Quarterly [Member] | May 31, 2013 Paid Quarterly [Member] | Mar. 31, 2013 Paid Quarterly [Member] | Dec. 31, 2012 Paid Quarterly [Member] | Sep. 30, 2012 Paid Quarterly [Member] | May 31, 2012 Paid Quarterly [Member] | Mar. 31, 2012 Paid Quarterly [Member] | Dec. 31, 2011 Paid Quarterly [Member] | Dec. 31, 2012 Special Dividend [Member]
Note 8 - Dividends (Details) [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Payments of Dividends (in Dollars) | $ 2.8 | $ 18.7 | $ 1.8 |  |  |  |  |  |  |  |  |  |
Common Stock, Dividends, Per Share, Cash Paid | $ 0.083 | $ 0.563 | $ 0.053 | $ 0.025 | $ 0.025 | $ 0.017 | $ 0.017 | $ 0.017 | $ 0.017 | $ 0.017 | $ 0.013 | $ 0.013 | $ 0.50
Line of Credit Facility, Dividend Restrictions, Percentage of Net Income Limit | 25.00% |  |  |  |  |  |  |  |  |  |  |  |

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- Definition Aggregate dividends paid during the period for each share of common stock outstanding. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 04 -Article 3 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.3-04) -URI http://asc.fasb.org/extlink&oid=27012166&loc=d3e187085-122770 + Details
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