Note 3 - Property and Equipment - Property and Equipment (Details) - USD ($)	Jun. 30, 2017	Jun. 30, 2016
Machinery and equipment	$ 2,222,670	$ 2,222,670
Buildings and structures	401,470	401,470
Computers and office equipment	171,613	173,313
Total	2,795,753	2,797,453
Less accumulated depreciation	(2,792,561)	(2,793,194)
Net	$ 3,192	$ 4,259