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Note 16 - Stockholders' Equity (Tables) | 12 Months Ended
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Dec. 31, 2014
Stockholders' Equity Note [Abstract] |
Schedule of Share-based Compensation, Restricted Stock Units Award Activity [Table Text Block] |
|  | Number of Shares |  |  | Weighted Average Fair Value Per Share |
Nonvested at January 1, 2012 |  |  | 71,469 |  |  | $ | 14.68 |
Granted |  |  | 149,704 |  |  |  | 9.75 |
Vested |  |  | (34,543 | ) |  |  | 13.05 |
Forfeited |  |  | - |  |  |  | - |
Nonvested at December 31, 2012 |  |  | 186,630 |  |  |  | 11.03 |
Granted |  |  | 60,032 |  |  |  | 9.74 |
Vested |  |  | (56,602 | ) |  |  | 10.57 |
Forfeited |  |  | (8,944 | ) |  |  | 13.57 |
Nonvested at December 31, 2013 |  |  | 181,116 |  |  |  | 10.61 |
Granted |  |  | 61,957 |  |  |  | 9.05 |
Vested |  |  | (73,190 | ) |  |  | 6.88 |
Forfeited |  |  | (20,412 | ) |  |  | 11.66 |
Nonvested at December 31, 2014 |  |  | 149,471 |  |  |  | 11.65 |
Schedule of Share-based Compensation, Restricted Stock and Restricted Stock Units Activity [Table Text Block] |
|  | Years Ended December 31, |
|  | 2014 |  |  | 2013 |  |  | 2012 |
Shares awarded to each non-employee director |  |  | 6,203 |  |  |  | 4,975 |  |  |  | 5,155 |
Total shares awarded |  |  | 43,421 |  |  |  | 34,825 |  |  |  | 30,930 |
Average grant-date market price per share |  | $ | 8.06 |  |  | $ | 10.06 |  |  | $ | 9.70 |
Total compensation cost attributable to shares awarded |  | $ | 350,000 |  |  | $ | 350,000 |  |  | $ | 300,000 |
Compensation cost recognized related to current and prior year awards |  | $ | 316,750 |  |  | $ | 333,499 |  |  | $ | 283,333 |
Schedule of Share-based Compensation, Stock Options, Activity [Table Text Block] |
|  | 2001 Plan |
|  | Shares |  |  | Weighted Average Exercise Price |
Outstanding at December 31, 2012 |  |  | 22,200 |  |  | $ | 3.08 |
Exercised |  |  | (8,500 | ) |  |  | 3.08 |
Expired/forfeited |  |  | (6,200 | ) |  |  | 3.07 |
Outstanding at December 31, 2013 |  |  | 7,500 |  |  |  | 3.10 |
Exercised |  |  | (4,000 | ) |  |  | 3.10 |
Expired/forfeited |  |  | (3,500 | ) |  |  | 3.10 |
Outstanding at December 31, 2014 |  |  | - |  |  |  | - |
Schedule of Share-based Compensation, Activity [Table Text Block] |
|  | Number of Shares |  |  | Aggregate Intrinsic Value |
Total options exercised during 2014 |  |  | 4,000 |  |  | $ | 21,911 |

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- Definition Tabular disclosure of share-based compensation plans that may be presented in a single table for outstanding, vested and expected to vest, and exercisable awards. The information that may be disclosed in this table may include, but is not limited to, number of shares, weighted average exercise price, weighted average remaining contractual life, and aggregate intrinsic value. + References No definition available. + Details
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- Definition Disclosure of the number and weighted-average grant date fair value for restricted stock and restricted stock units that were outstanding at the beginning and end of the year, and the number of restricted stock and restricted stock units that were granted, vested, or forfeited during the year. + References No definition available. + Details
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- Definition Tabular disclosure of the number and weighted-average grant date fair value for restricted stock units that were outstanding at the beginning and end of the year, and the number of restricted stock units that were granted, vested, or forfeited during the year. + 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) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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- Definition Tabular disclosure of the number and weighted-average exercise prices (or conversion ratios) for share options (or share units) that were outstanding at the beginning and end of the year, vested and expected to vest, exercisable or convertible at the end of the year, and the number of share options or share units that were granted, exercised or converted, forfeited, and expired during the year. + 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) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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