| 
           Note 15 - Operating Segments  (Details) - Capital Expenditure (USD $) 
         | 
        9 Months Ended | |
|---|---|---|
| 
           Mar. 31, 2014 
         | 
        
           Mar. 31, 2013 
         | 
      |
| Capital expenditures: | ||
| Capital expenditures | $ 9,583,663 | $ 6,751,002 | 
| 
           Corporate Headquarters [Member] 
         | 
        ||
| Capital expenditures: | ||
| Capital expenditures | 4,531 | 4,236 | 
| 
           North America [Member] 
         | 
        ||
| Capital expenditures: | ||
| Capital expenditures | 16,388 | 51,195 | 
| 
           Europe [Member] 
         | 
        ||
| Capital expenditures: | ||
| Capital expenditures | 460,053 | 431,417 | 
| 
           Asia Pacific [Member] 
         | 
        ||
| Capital expenditures: | ||
| Capital expenditures | $ 9,102,691 | $ 6,264,154 | 
| X | ||||||||||
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- Details 
          
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| X | ||||||||||
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- Definition 
          The cash outflow associated with the acquisition of long-lived, physical assets that are used in the normal conduct of business to produce goods and services and not intended for resale; includes cash outflows to pay for construction of self-constructed assets. Reference 1: http://www.xbrl.org/2003/role/presentationRef 
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