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Note 6 - Stockholders' Equity (Details) - Changes in Fair Values of Warrants Issued (USD $)
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3 Months Ended | 6 Months Ended | ||
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Jun. 30, 2014
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Jun. 30, 2013
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Jun. 30, 2014
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Jun. 30, 2013
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| Note 6 - Stockholders' Equity (Details) - Changes in Fair Values of Warrants Issued [Line Items] | ||||
| Fair value at December 31, 2013 | $ 3,747,858 | |||
| Gain on change in fair value | (875,546) | (955,271) | (1,359,336) | (2,578,969) |
| Fair value at June 30, 2014 | 2,388,522 | 2,388,522 | ||
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Warrant [Member]
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| Note 6 - Stockholders' Equity (Details) - Changes in Fair Values of Warrants Issued [Line Items] | ||||
| Fair value at December 31, 2013 | 3,747,858 | |||
| Gain on change in fair value | (1,359,336) | |||
| Fair value at June 30, 2014 | $ 2,388,522 | $ 2,388,522 | ||
| X | ||||||||||
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- Details
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- Definition
Amount of increase (decrease) in the fair value of derivatives recognized in the income statement. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
Fair value, after the effects of master netting arrangements, of a financial liability or contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset, expected to be settled within one year or normal operating cycle, if longer. Includes assets not subject to a master netting arrangement and not elected to be offset. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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