| 
           Note 15 - Operating Segments (Details) - Capital Expenditure (USD $) 
         | 
        3 Months Ended | |
|---|---|---|
| 
           Sep. 30, 2014 
         | 
        
           Sep. 30, 2013 
         | 
      |
| Capital expenditures: | ||
| Capital expenditures | $ 1,031,128 | $ 2,691,066 | 
| 
           Corporate Headquarters [Member] 
         | 
        ||
| Capital expenditures: | ||
| Capital expenditures | 1,786 | 2,097 | 
| 
           North America [Member] 
         | 
        ||
| Capital expenditures: | ||
| Capital expenditures | 4,866 | 7,987 | 
| 
           Europe [Member] 
         | 
        ||
| Capital expenditures: | ||
| Capital expenditures | 42,918 | 77,580 | 
| 
           Asia Pacific [Member] 
         | 
        ||
| Capital expenditures: | ||
| Capital expenditures | $ 981,558 | $ 2,603,402 | 
| X | ||||||||||
| 
             
- Details 
          
  | 
        
| X | ||||||||||
| 
             
- 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 
  |