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Note 2 - Significant Accounting Policies (Details) - Antidilutive Securities
12 Months Ended
Jun. 30, 2013
Jun. 30, 2012
Warrant [Member]
   
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]    
Antidilutive Securities 7,126,235 6,508,253
Equity Option [Member]
   
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]    
Antidilutive Securities 5,261,145 5,111,145
Convertible Debt Securities [Member]
   
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]    
Antidilutive Securities 1,196,182 434,596
Convertible Preferred Stock, Antidilutive Securities [Member]
   
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]    
Antidilutive Securities 12,000 33,000