Note 11 - Fair Value Measurement (Details) - Unrealized Gain or Loss Included in Earnings (USD $)	12 Months Ended
Dec. 31, 2014	Dec. 31, 2013
Unrealized Gain or Loss Included in Earnings [Abstract]
The net amount of gains/(losses) for the period included in earnings attributable to the unrealized gain/(loss) from changes in derivative liabilities at the reporting date	$ 58,807us-gaap_UnrealizedGainLossOnDerivatives	$ (95,121)us-gaap_UnrealizedGainLossOnDerivatives
Total unrealized gains/(losses) included in earnings	$ 58,807	$ (95,121)

Amount of gain (loss) recognized in the income statement of financial instrument classified as a derivative asset (liability) after deduction of derivative liability (asset), measured using unobservable inputs that reflect the entity's own assumption about the assumptions market participants would use in pricing.

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 820

-SubTopic 10

-Section 50

-Paragraph 3

-Subparagraph (b)

-URI http://asc.fasb.org/extlink&oid=36462937&loc=d3e19279-110258

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 820

-SubTopic 10

-Section 50

-Paragraph 2

-Subparagraph (c)(1)

-URI http://asc.fasb.org/extlink&oid=36462937&loc=d3e19207-110258

Name:	us-gaap_FairValueNetDerivativeAssetLiabilityMeasuredOnRecurringBasisUnobservableInputsReconciliationGainLossIncludedInEarnings
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration