Annual report pursuant to Section 13 and 15(d)

Note 14 - Income Taxes - Unrecognized Tax Benefit Roll Forward (Details)

v3.20.4
Note 14 - Income Taxes - Unrecognized Tax Benefit Roll Forward (Details) - USD ($)
12 Months Ended
Dec. 31, 2020
Dec. 31, 2019
Balance $ 223,000 $ 450,000
Additions (deletions) based upon tax positions related to the current year 22,000 (227,000)
Balance $ 245,000 $ 223,000