Annual report pursuant to Section 13 and 15(d)

Note 9 - Income Taxes (Details Textual)

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Note 9 - Income Taxes (Details Textual)
Dec. 31, 2021
USD ($)
Domestic Tax Authority [Member]  
Operating Loss Carryforwards, Total $ 102,096,000
State and Local Jurisdiction [Member]  
Operating Loss Carryforwards, Total 92,469,000
Foreign Tax Authority [Member]  
Operating Loss Carryforwards, Total $ 343,000