Annual report pursuant to Section 13 and 15(d)

Note 11 - Benefit Plans (Details Textual)

v3.23.1
Note 11 - Benefit Plans (Details Textual) - USD ($)
12 Months Ended
Dec. 31, 2022
Dec. 31, 2021
Benefit Plan 401 K [Member]    
Defined Contribution Plan, Employer Matching Contribution, Percent of Employees' Gross Pay 6.00%  
Defined Contribution Plan, Employer Discretionary Contribution Amount $ 150,000 $ 156,000
Profit-Sharing Plan [Member]    
Defined Benefit Plan, Plan Assets, Contributions by Employer $ 0