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Note 3 - Property and Equipment - Property and Equipment (Details) - USD ($)
Mar. 31, 2017
Jun. 30, 2016
Machinery and equipment $ 2,222,670 $ 2,222,670
Buildings and structures 401,470 401,470
Computers and office equipment 173,313 173,313
Total 2,797,453 2,797,453
Less accumulated depreciation (2,794,701) (2,793,194)
Net $ 2,752 $ 4,259