Annual report pursuant to Section 13 and 15(d)

Note 4 - Property and Equipment (Details Textual)

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Note 4 - Property and Equipment (Details Textual) - USD ($)
12 Months Ended
Dec. 31, 2018
Dec. 31, 2017
Depreciation, Total $ 120,112 $ 128,587
Equipment [Member]    
Property, Plant and Equipment, Held for Testing $ 680,000