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Note 10 - Stock-Based Compensation Plans and Warrants (Details) - Stock Option Activity (USD $) In Thousands, except Share data, unless otherwise specified | 12 Months Ended |  |  |
--- | --- | --- | --- | ---
Dec. 31, 2013 | Dec. 31, 2012 | Dec. 31, 2011 | Dec. 31, 2010
Stock Option Activity [Abstract] |  |  |  |  |
Outstanding - Shares | 862,500 |  |  | 862,500 | 727,500
Outstanding - Weighted-Average Exercise Price (in Dollars per share) | $ 11.92 |  |  | $ 11.92 | $ 11.86
Outstanding - Average Remaining Contractual Term | 5 years 6 months |  |  |  |
Outstanding - Aggregate Intrinsic Value (in Dollars) | $ 7,499 |  |  |  |
Exercisable at December 31, 2013 | 842,500 |  | 842,500 |  |
Exercisable at December 31, 2013 (in Dollars per share) | $ 11.84 |  | $ 11.84 |  |
Exercisable at December 31, 2013 | 4 years 109 days |  |  |  |
Exercisable at December 31, 2013 (in Dollars) | 7,316 |  |  |  |
Forfeited or expired | (20,000) |  |  |  |
Forfeited or expired (in Dollars per share) | $ 15.25 |  |  |  |
Forfeited or expired | 4 years 73 days |  |  |  |
Forfeited or expired (in Dollars) | 175 |  |  |  |
Outstanding - Shares | 842,500 | [1] |  | 862,500 | 727,500
Outstanding - Weighted-Average Exercise Price (in Dollars per share) | $ 11.84 |  |  | $ 11.92 | $ 11.86
Outstanding - Average Remaining Contractual Term | 4 years 6 months |  |  |  |
Outstanding - Aggregate Intrinsic Value (in Dollars) | $ 7,316 |  |  |  |
[1] | Exercise prices vary from $9.88 to $13.95, and expiration dates vary from May 2015 to December 2021.

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- Definition Amount of difference between fair value of the underlying shares reserved for issuance and exercise price of vested portions of options outstanding and currently exercisable. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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- Definition The number of shares into which fully or partially vested stock options outstanding as of the balance sheet date can be currently converted under the option plan. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(1)(iii) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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- Definition The weighted-average price as of the balance sheet date at which grantees can acquire the shares reserved for issuance on vested portions of options outstanding and currently exercisable under the stock option plan. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(1)(iii) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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- Definition Weighted average remaining contractual term for vested portions of options outstanding and currently exercisable or convertible, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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- Definition Weighted average price of options that were either forfeited or expired. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(1)(iv)(3)-(4) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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- Definition Amount by which the current fair value of the underlying stock exceeds the exercise price of options outstanding. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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- Definition Number of options outstanding, including both vested and non-vested options. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(1)(i)-(ii) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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