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NOTE 5 — Bank Financing Arrangements (Details Narrative) - USD ($)
3 Months Ended 12 Months Ended
Mar. 31, 2023
Mar. 31, 2022
Dec. 31, 2021
Feb. 01, 2023
Jan. 29, 2021
Line of Credit Facility [Line Items]          
Line of Credit Facility, Initiation Date     Jan. 29, 2021    
Notes Payable to Bank       $ 125,000  
Interest Expense $ 38,008 $ 45,606      
Domestic Revolving Facility [Member]          
Line of Credit Facility [Line Items]          
Line of Credit Facility, Maximum Borrowing Capacity         $ 2,000,000.0
Term Loan [Member]          
Line of Credit Facility [Line Items]          
Line of Credit Facility, Maximum Borrowing Capacity         $ 1,000,000.0
Interest Expense $ 1,138