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Note 2 - Significant Accounting Policies (Details) - Antidilutive Securities
9 Months Ended
Mar. 31, 2014
Mar. 31, 2013
Warrant [Member]
   
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]    
Antidilutive Securities 7,232,950 7,087,449
Equity Option [Member]
   
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]    
Antidilutive Securities 4,228,870 5,261,145
Convertible Debt Securities [Member]
   
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]    
Antidilutive Securities 2,881,493 808,619
Convertible Preferred Stock, Antidilutive Securities [Member]
   
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]    
Antidilutive Securities 12,750 11,750