Quarterly report pursuant to Section 13 or 15(d)

Note 8 - Revolving Line of Credit (Details Textual)

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Note 8 - Revolving Line of Credit (Details Textual) - USD ($)
3 Months Ended
Mar. 31, 2024
Mar. 31, 2023
Sep. 11, 2023
Sep. 30, 2022
Proceeds from Lines of Credit $ 0 $ 575,000    
Revolving Credit Facility [Member] | Summit Community Bank Second Line[Member]        
Line of Credit Facility, Maximum Borrowing Capacity       $ 1,000,000
Revolving Credit Facility [Member] | Summit Community Bank Second Line[Member] | Minimum [Member]        
Debt Instrument, Interest Rate, Effective Percentage       3.99%
Revolving Credit Facility [Member] | Summit Community Bank Second Line[Member] | Maximum [Member]        
Debt Instrument, Interest Rate, Effective Percentage       20.00%
Revolving Credit Facility [Member] | Summit Community Bank [Member]        
Line of Credit Facility, Maximum Borrowing Capacity     $ 500,000 $ 1,000,000
Proceeds from Lines of Credit 0 575,000    
Repayments of Lines of Credit 0 $ 0    
Long-Term Line of Credit 500,000      
Line of Credit Facility, Remaining Borrowing Capacity $ 0