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Note 18 - Employee Benefit Plans (Details) (USD $) | 12 Months Ended | 3 Months Ended | 12 Months Ended
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Dec. 31, 2013 | Dec. 31, 2012 | Dec. 31, 2011 | Mar. 31, 2010 Less Than Two Years of Service [Member] | Mar. 31, 2010 Yearly After Two Years of Service [Member] | Dec. 31, 2013 First Two and Half Percent of Eligible Compensation [Member] | Dec. 31, 2013 Matched at 100% [Member] | Dec. 31, 2013 Maximum [Member] | Dec. 31, 2013 Minimum [Member]
Note 18 - Employee Benefit Plans (Details) [Line Items] |  |  |  |  |  |  |  |  |
Minimum Number Of Years Allowed To Participate In Employee Stock Ownership Plan |  | 2 years |  |  |  |  |  |  |
Minimum number of hours allowed to participate in employee stock ownership plan for part-time employees |  | 1000 hours |  |  |  |  |  |  |
Stock Issued During Period, Shares, Employee Stock Purchase Plans (in Shares) | 3,825 | 2,814 | 3,437 |  |  |  |  |  |
Stock Issued During Period, Value, Employee Stock Purchase Plan | $ 92,000 | $ 47,000 | $ 47,000 |  |  |  |  |  |
Benefits Distributed to Participants, Shares (in Shares) | 51,779 | 116,124 | 83,020 |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Authorized (in Shares) | 1,140,788 |  |  |  |  |  |  |  |
Percentage Of Outstanding Common Stock Under Employee Stock Ownership Plan | 1.40% |  |  |  |  |  |  |  |
Defined Contribution Plan, Maximum Annual Contributions Per Employee, Percent | 75.00% |  |  |  |  |  | 2.50% |  |
Defined Contribution Plan, Employers Matching Contribution, Annual Vesting Percentage |  |  |  | 0.00% | 25.00% |  |  |  |
Defined Contribution Plan, Employer Matching Contribution, Percent of Employees' Gross Pay |  |  |  |  |  | 100.00% |  |  |
Defined Contribution Plan, Employer Discretionary Contribution Amount | 1,000,000 | 1,000,000 | 900,000 |  |  |  |  |  |
Percentage of Participant Borrowing Capacity of Vested Amount | 50.00% |  |  |  |  |  |  |  |
Employee Stock Ownership Plan (ESOP), Debt Structure, Direct Loan, Employer Cash Payments Used for Debt Service |  |  |  |  |  |  |  | $ 50,000 | $ 1,000

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- Definition Minimum number of hours allowed to participate in employee stock ownership plan for part-time employees. + References No definition available. + Details
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- Definition The maximum number of shares (or other type of equity) originally approved (usually by shareholders and board of directors), net of any subsequent amendments and adjustments, for awards under the equity-based compensation plan. As stock or unit options and equity instruments other than options are awarded to participants, the shares or units remain authorized and become reserved for issuance under outstanding awards (not necessarily vested). + 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 (a)(3) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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