Annual report pursuant to Section 13 and 15(d)

Note 13 - Related Party Transaction (Details Textual)

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Note 13 - Related Party Transaction (Details Textual) - USD ($)
12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Vice President [Member] | Consulting Services [Member] | Research and Development Expense [Member]    
Related Party Transaction, Amounts of Transaction $ 149,000 $ 235,000