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Note 10 - Convertible Notes Payable (Details) - Convertible Debt Maturity Payments (Convertible Debt [Member], USD $)
Dec. 31, 2014
Convertible Debt [Member]
 
Note 10 - Convertible Notes Payable (Details) - Convertible Debt Maturity Payments [Line Items]  
2015 $ 75,000us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths
/ us-gaap_LongtermDebtTypeAxis
= us-gaap_ConvertibleDebtMember
2016 9,590,000us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo
/ us-gaap_LongtermDebtTypeAxis
= us-gaap_ConvertibleDebtMember
Total $ 9,665,000us-gaap_ConvertibleNotesPayable
/ us-gaap_LongtermDebtTypeAxis
= us-gaap_ConvertibleDebtMember