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Note 7 - Income Taxes (Details) (USD $)
 12 Months Ended
Jun. 30, 2013
Note 7 - Income Taxes (Details) [Line Items]  
Deferred Tax Assets, Operating Loss Carryforwards, Subject to Expiration (in Dollars) $ 64,800,000
Liability for Uncertain Tax Positions, Current (in Dollars) $ 161,000
Reasonably Possible [Member] | State and Local Jurisdiction [Member] | Minimum [Member]
  
Note 7 - Income Taxes (Details) [Line Items]  
Open Tax Year 1999
Reasonably Possible [Member] | State and Local Jurisdiction [Member] | Maximum [Member]
  
Note 7 - Income Taxes (Details) [Line Items]  
Open Tax Year 2003
State and Local Jurisdiction [Member] | Minimum [Member]
  
Note 7 - Income Taxes (Details) [Line Items]  
Open Tax Year 2007
Internal Revenue Service (IRS) [Member] | Minimum [Member]
  
Note 7 - Income Taxes (Details) [Line Items]  
Open Tax Year 2009
Foreign Tax Authority [Member] | Minimum [Member]
  
Note 7 - Income Taxes (Details) [Line Items]  
Open Tax Year 2006