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Note 13 - Defined Contribution Plan (Details Textual) - USD ($)
12 Months Ended
Jul. 01, 2022
Dec. 31, 2022
Dec. 31, 2021
Defined Contribution Plan, Employer Matching Contribution, Percent of Match 50.00%    
Defined Contribution Plan, Employer Matching Contribution, Percent of Employees' Gross Pay 6.00%    
Defined Contribution Plan, Cost   $ 89,622  
Defined Contribution Plan, Employer Discretionary Contribution Amount   $ 0 $ 0