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           Note 10 - Goodwill (Detail) - Summary of goodwill acquired (USD $) 
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           Mar. 31, 2013 
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           Oct. 04, 2011 
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           Mar. 31, 2013
 
          Asia - Pacific [Member] 
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           Jun. 30, 2012
 
          Asia - Pacific [Member] 
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           Mar. 31, 2013
 
          Europe [Member] 
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           Jun. 30, 2012
 
          Europe [Member] 
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           Mar. 31, 2013
 
          USA [Member] 
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           Jun. 30, 2012
 
          USA [Member] 
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           Mar. 31, 2013
 
          Total [Member] 
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           Jun. 30, 2012
 
          Total [Member] 
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|---|---|---|---|---|---|---|---|---|---|---|
| Acquired goodwill by location | $ 214,044 | $ 214,044 | $ 1,303,372 | $ 1,303,372 | $ 3,685,858 | $ 3,685,858 | $ 4,664,100 | $ 4,664,100 | $ 9,653,330 | $ 9,653,330 | 
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- Definition 
          Amount of goodwill arising from a business combination, which is the excess of the cost of the acquired entity over the amounts assigned to assets acquired and liabilities assumed. Reference 1: http://www.xbrl.org/2003/role/presentationRef 
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