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Note 13 - Covenants Compliance (Details) (USD $) In Millions, unless otherwise specified | 12 Months Ended |  | 12 Months Ended
--- | --- | --- | ---
Dec. 31, 2013 | Mar. 31, 2014 Revised Amount [Member] | Mar. 31, 2014 Previous Amount [Member] | Mar. 31, 2014 Removed Option To Increase [Member] | Dec. 31, 2013 Fourth Amendment Modification Increase Borrowing Rates [Member] | Dec. 31, 2013 Increase In Basis Points in 2014[Member] | Dec. 31, 2013 Quarterly Increase In Basis Points After 2015[Member]
Note 13 - Covenants Compliance (Details) [Line Items] |  |  |  |  |  |  |
Line of Credit Facility, Maximum Borrowing Capacity |  | $ 40.0 | $ 50.0 | $ 50.0 |  |  |
Debt Instrument, Basis Spread on Variable Rate |  |  |  |  | 0.50% | 2.00% | 1.00%
Line of Credit Facility, Interest Rate at Period End | 4.75% |  |  |  |  |  |
Line of Credit Facility, Commitment Fee Percentage | 0.75% |  |  |  |  |  |

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- Definition Percentage points added to the reference rate to compute the variable rate on the debt instrument. + References No definition available. + Details
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- Definition The fee, expressed as a percentage of the line of credit facility, for the line of credit facility regardless of whether the facility has been used. + References No definition available. + Details
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- Definition The effective interest rate at the end of the reporting period. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.19(b),22(b)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 19, 22 -Article 5 + Details
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- Definition Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.19(b),22(b)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 19, 22 -Article 5 + Details
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