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Note 17 - Financial Instruments (Details) (USD $) In Thousands, except Share data, unless otherwise specified | 0 Months Ended | 6 Months Ended | 12 Months Ended |
--- | --- | --- | --- | ---
Jun. 16, 2014 | Jun. 30, 2014 | Jun. 30, 2014 | Dec. 31, 2013
Note 17 - Financial Instruments (Details) [Line Items] |  |  |  |
Derivative, Notional Amount |  | $ 20,000 | $ 20,000 | $ 20,000
Restricted Cash and Cash Equivalents, Noncurrent |  | 1,294 | 1,294 | 1,739
Class of Warrant or Right, Outstanding |  | 5,330,000 | 5,330,000 |
Fair Value Assumptions, Expected Volatility Rate Calculation Basis |  |  | 5 years |
Fair Value Assumptions, Expected Volatility Rate | 87.55% | 90.49% | 90.49% |
Increase (Decrease) in Volatility Rate Applied |  |  | 5.00% |
Fair Value Assumptions, Resulting Increase (Decrease) in Fair Value |  |  | 2.00% |
Swap [Member] |  |  |  |
Note 17 - Financial Instruments (Details) [Line Items] |  |  |  |
Restricted Cash and Cash Equivalents, Noncurrent |  | $ 1,294 | $ 1,294 |

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- Definition Aggregate notional amount specified by the derivative(s). Expressed as an absolute value. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Article 12 -Section 13 -Sentence Column B + Details
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- Definition Basis for calculating volatility rate, measured using a trailing average of the Company's share price. + References No definition available. + Details
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- Details
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- Definition Number of warrants or rights outstanding. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.4-08.(i)) -URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 08 -Paragraph i -Article 4 + Details
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- Definition Measure of dispersion, in percentage terms (for instance, the standard deviation or variance), for a given stock price. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (e) -URI http://asc.fasb.org/extlink&oid=36462937&loc=d3e19207-110258 + Details
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- Definition Cash and equivalents whose use in whole or in part is restricted for the long-term, generally by contractual agreements or regulatory requirements. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 1 -Article 5 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.1) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
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