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Note 13 - Fair Value Measurement (Tables) | 9 Months Ended
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Sep. 30, 2013
Fair Value Measurements, Valuation Techniques [Abstract] |
Fair Value Measurements, Recurring and Nonrecurring [Table Text Block] |
|  | September 30, 2013 |
|  | Fair Value Measurements Using |  |  | Assets at |
|  | Level 1 |  |  | Level 2 |  |  | Level 3 |  |  | Fair Value |
Derivative instrument asset |  | $ | — |  |  | $ | 466,409 |  |  | $ | — |  |  | $ | 466,409 |
Total Assets |  | $ | — |  |  | $ | 466,409 |  |  | $ | — |  |  | $ | 466,409 |
Derivative instrument liability |  | $ | — |  |  | $ | 310,865 |  |  | $ | — |  |  | $ | 310,865 |
Total Liabilities |  | $ | — |  |  | $ | 310,865 |  |  | $ | — |  |  | $ | 310,865 |
|  | December 31, 2012 |
|  | Fair Value Measurements Using |  |  | Assets at |
|  | Level 1 |  |  | Level 2 |  |  | Level 3 |  |  | Fair Value |
Derivative instrument asset |  | $ | — |  |  | $ | 444,782 |  |  | $ | — |  |  | $ | 444,782 |
Total Assets |  | $ | — |  |  | $ | 444,782 |  |  | $ | — |  |  | $ | 444,782 |

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- Definition Tabular disclosure of financial instruments measured at fair value, including those classified in shareholders' equity measured on a recurring or nonrecurring basis. Disclosures include, but are not limited to, fair value measurements recorded and the reasons for the measurements, level within the fair value hierarchy in which the fair value measurements are categorized and transfers between levels 1 and 2. Nonrecurring fair value measurements are those that are required or permitted in the statement of financial position in particular circumstances. + 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 (a,b,bb) -URI http://asc.fasb.org/extlink&oid=25499696&loc=d3e19207-110258 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2C -URI http://asc.fasb.org/extlink&oid=25499696&loc=SL7498348-110258 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=25499696&loc=d3e19279-110258 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=25499696&loc=d3e19190-110258 + Details
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