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Note 11 - Employee Benefits (Details) - Nonvested Option Awards Activity (USD $) | 12 Months Ended
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Dec. 31, 2013 | Dec. 31, 2012 | Dec. 31, 2011
Service-based options: |  |  |
Granted | 174,625 |  |
Granted (in Dollars per share) | $ 5.46 | $ 4.81 | $ 5.69
Forfeited | (33,150) |  |
Service-Based Options [Member] |  |  |
Service-based options: |  |  |
Shares - Nonvested | 331,450 | 297,330 |
Weighted Average Grant Date Fair Value - Nonvested (in Dollars per share) | $ 5.30 | $ 5.21 |
Weighted Average Remaining Contractual Life (in Years) - Nonvested | 5 years 6 months | 5 years 73 days |
Granted | 174,625 |  |
Granted (in Dollars per share) | $ 5.46 |  |
Granted | 7 years |  |
Vested | (120,405) |  |
Vested (in Dollars per share) | $ 5.28 |  |
Vested | 4 years 6 months |  |
Forfeited | (20,100) |  |
Forfeited (in Dollars per share) | $ 5.46 |  |
Forfeited | 4 years |  |

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- Definition Weighted average remaining contractual term for forfeited options, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. + References No definition available. + Details
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- Definition Weighted average remaining contractual term for options granted, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. + References No definition available. + Details
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- Definition Weighted average remaining contractual term for nonvested options, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. + References No definition available. + Details
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- Definition Weighted average remaining contractual term for options which vested, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. + References No definition available. + Details
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- Definition The number of shares under options that were cancelled during the reporting period as a result of occurrence of a terminating event specified in contractual agreements pertaining to 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)(iv)(3) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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- Definition Gross number of share options (or share units) granted during the period. + References No definition available. + Details
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- Definition The weighted average grant-date fair value of options granted during the reporting period as calculated by applying the disclosed option pricing methodology. + 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 (d)(1) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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