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Note 3 - Property and Equipment (Tables)
6 Months Ended
Dec. 31, 2015
Notes Tables  
Property, Plant and Equipment [Table Text Block]
   
December 31,
2015
   
June 30,
2015
 
Machinery and equipment
  $ 2,923,577     $ 2,923,577  
Buildings and structures
    1,385,125       1,385,125  
Computers and office equipment
    177,931       175,248  
      4,486,633       4,483,950  
Less accumulated depreciation
    (2,657,125 )     (2,506,731 )
    $ 1,829,508     $ 1,977,219