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Note 9 - Convertible Notes Payable (Details) - Convertible Debt Maturity Payments (USD $)
Mar. 31, 2015
Note 9 - Convertible Notes Payable (Details) - Convertible Debt Maturity Payments [Line Items]  
Total $ 9,665,000us-gaap_ConvertibleNotesPayable
Convertible Debt [Member]  
Note 9 - Convertible Notes Payable (Details) - Convertible Debt Maturity Payments [Line Items]  
2015 75,000us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalRemainderOfFiscalYear
/ us-gaap_LongtermDebtTypeAxis
= us-gaap_ConvertibleDebtMember
2016 255,000us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo
/ us-gaap_LongtermDebtTypeAxis
= us-gaap_ConvertibleDebtMember
2017 8,945,000us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree
/ us-gaap_LongtermDebtTypeAxis
= us-gaap_ConvertibleDebtMember
2018 $ 390,000us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour
/ us-gaap_LongtermDebtTypeAxis
= us-gaap_ConvertibleDebtMember