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Note 9 - Revolving Line of Credit and Notes Payable (Details Textual) - USD ($)
3 Months Ended 6 Months Ended
Aug. 09, 2023
Mar. 07, 2023
Jun. 30, 2023
Jun. 30, 2023
Sep. 30, 2022
Premium Financing Agreement [Member]          
Debt Instrument, Face Amount   $ 305,759      
Debt Instrument, Interest Rate, Stated Percentage   8.75%      
Debt Instrument, Periodic Payment   $ 31,815      
Summit Community Bank [Member]          
Long-Term Line of Credit     $ 1,000,000 $ 1,000,000  
Summit Community Bank [Member] | Subsequent Event [Member]          
Repayments of Lines of Credit $ 500,000        
Line of Credit Facility, Remaining Borrowing Capacity 0        
Revolving Credit Facility [Member] | Summit Community Bank Second Line[Member]          
Line of Credit Facility, Maximum Borrowing Capacity         $ 1,000,000
Long-Term Line of Credit     1,000,000 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]          
Repayments of Lines of Credit     0 0  
Proceeds from Lines of Credit       575,000  
Line of Credit Facility, Remaining Borrowing Capacity     $ 0 $ 0  
Revolving Credit Facility [Member] | Summit Community Bank [Member] | Subsequent Event [Member]          
Repayments of Lines of Credit $ 500,000