Annual report pursuant to Section 13 and 15(d)

Note 16 - Income Taxes (Details Textual)

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Note 16 - Income Taxes (Details Textual) - USD ($)
12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Unrecognized Tax Benefits, Income Tax Penalties and Interest Accrued, Total $ 169,000 $ 152,000
Unrecognized Tax Benefits that Would Impact Effective Tax Rate $ 3,659,000 $ 3,238,000
State and Local Jurisdiction [Member]    
Income Tax Examination, Year under Examination 2018 2019 2020 2021  
Internal Revenue Service (IRS) [Member]    
Income Tax Examination, Year under Examination 2018 2019 2020 2021