Note 7 - Warrants (Details) - Assumptions Used to Determine Fair Value of Warrants	12 Months Ended
Dec. 31, 2014	Dec. 31, 2013
Warrant [Member] \| Minimum [Member]
Note 7 - Warrants (Details) - Assumptions Used to Determine Fair Value of Warrants [Line Items]
Risk free interest rate	0.09%	0.15%
Expected volatility	184.00%	112.00%
Warrant [Member] \| Maximum [Member]
Note 7 - Warrants (Details) - Assumptions Used to Determine Fair Value of Warrants [Line Items]
Risk free interest rate	1.55%	0.78%
Expected volatility	349.00%	262.00%
Minimum [Member]
Note 7 - Warrants (Details) - Assumptions Used to Determine Fair Value of Warrants [Line Items]
Expected life in years	1 year	1 year
Maximum [Member]
Note 7 - Warrants (Details) - Assumptions Used to Determine Fair Value of Warrants [Line Items]
Expected life in years	5 years	3 years

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Period an equity-based award is expected to be outstanding, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 505

-SubTopic 50

-Section 50

-Paragraph 1

-URI http://asc.fasb.org/extlink&oid=6406099&loc=d3e25284-112666

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- Definition

The estimated measure of the percentage amount by which a share price is expected to fluctuate during the expected term of a nonvested share or option award issued to other than an employee.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 505

-SubTopic 50

-Section 50

-Paragraph 1

-URI http://asc.fasb.org/extlink&oid=6406099&loc=d3e25284-112666

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-Publisher FASB

-Name Accounting Standards Codification

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- Definition

The risk-free interest rate assumption that is used in valuing a nonvested share or option award issued to other than an employee.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 505

-SubTopic 50

-Section 50

-Paragraph 1

-URI http://asc.fasb.org/extlink&oid=6406099&loc=d3e25284-112666

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-Publisher FASB

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