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Note 7 - Common Stock Options and Warrants (Details)
3 Months Ended
Mar. 31, 2015
Dec. 31, 2014
Note 7 - Common Stock Options and Warrants (Details) [Line Items]    
Class of Warrant or Right, Number of Securities Called by Warrants or Rights 52,631us-gaap_ClassOfWarrantOrRightNumberOfSecuritiesCalledByWarrantsOrRights  
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Number 81,726us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber 81,726us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber
Share-based Compensation Arrangement by Share-based Payment Award, Options, Expirations in Period 0us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExpirationsInPeriod  
Warrant [Member]    
Note 7 - Common Stock Options and Warrants (Details) [Line Items]    
Share-based Compensation Arrangement by Share-based Payment Award, Non-Option Equity Instruments, Expirations 0us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNonOptionEquityInstrumentsExpirations
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_WarrantMember