| 
           Note 2 - Accounting Policies (Detail) 
         | 
        6 Months Ended | 
|---|---|
| 
           Dec. 31, 2012 
         | 
      |
| Percentage Probability Of Impairment Of Indefinite-Lived Asset | 50.00% | 
| X | ||||||||||
| 
             
- Definition 
          Percentage Probability Of Impairment Of Indefinite-Lived Asset No definition available. 
  |