Annual report pursuant to Section 13 and 15(d)

Note 9 - Income Taxes - Uncertain Tax Benefits (Details)

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Note 9 - Income Taxes - Uncertain Tax Benefits (Details) - USD ($)
12 Months Ended
Dec. 31, 2016
Dec. 31, 2015
Uncertain tax benefit, tax $ 32,600 $ 91,700
Uncertain tax benefit, interest and penalties 33,000 30,000
Gross increases - tax positions in prior period
Gross increases - tax positions in prior period 3,000
Gross decreases - tax positions in prior period (19,400) (59,100)
Gross decreases - tax positions in prior period (6,200)
Uncertain tax benefit, tax 13,200 32,600
Uncertain tax benefit, interest and penalties $ 26,800 $ 33,000