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Note 12 - Related Party Transactions (Details Textual) - USD ($)
1 Months Ended 6 Months Ended 12 Months Ended
Apr. 12, 2021
Apr. 30, 2021
Sep. 30, 2024
Sep. 30, 2023
Mar. 31, 2020
Aug. 09, 2024
Mar. 31, 2024
Dec. 31, 2023
Aug. 14, 2023
Dec. 31, 2022
Dec. 14, 2022
Apr. 30, 2019
Interest Paid, Excluding Capitalized Interest, Operating Activities     $ 330,000 $ 273,000                
Long-Term Debt     $ 5,093,000                  
Debt Instrument, Variable Interest Rate, Type [Extensible Enumeration] Prime Rate [Member]   Prime Rate [Member]                  
Revolving Credit Facility [Member] | Related Party 1 [Member]                        
Line of Credit Facility, Maximum Borrowing Capacity     $ 4,000,000     $ 4,000,000   $ 2,000,000 $ 2,000,000 $ 1,000,000    
Lines of Credit, Related Party, Current     $ 2,000,000       $ 1,250,000          
Debt Instrument, Interest Rate, Stated Percentage     8.50%       8.50%          
Conversion of Skywords Note Into Revolving Loans [Member]                        
Debt Conversion, Original Debt, Amount $ 500,000                      
Skywords Note [Member]                        
Debt Instrument, Basis Spread on Variable Rate     1.00%                  
Repayments of Long-term Debt, Total 500,000 $ 500,000                    
Interest Paid, Excluding Capitalized Interest, Operating Activities 1,900 $ 1,900                    
Skywords Note [Member] | Unsecured Subordinated Loan [Member]                        
Debt Instrument, Face Amount                       $ 1,500,000
Debt Instrument, Basis Spread on Variable Rate         1.00%              
Long-Term Debt     $ 1,000,000       $ 1,000,000          
Skywords Amended Note [Member]                        
Debt Instrument, Face Amount $ 500,000                   $ 1,000,000  
Debt Instrument, Basis Spread on Variable Rate 1.00%                      
Debt Instrument, Term (Year) 3 years                      
Debt Instrument, Floor Interest Rate 5.00% 5.00%