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Note 3 - Property and Equipment (Details) - Property and Equipment - USD ($)
Jun. 30, 2015
Jun. 30, 2014
Property and Equipment [Abstract]    
Machinery and equipment $ 2,923,577 $ 4,111,001
Buildings and structures 1,385,125 1,947,701
Computers and office equipment 175,248 183,809
4,483,950 6,242,511
Less accumulated depreciation (2,506,731) (1,891,358)
$ 1,977,219 $ 4,351,153