v3.25.2
Note 2 - Liquidity and Material Agreements (Details Textual) - USD ($)
3 Months Ended 6 Months Ended 9 Months Ended
Jul. 13, 2023
Apr. 28, 2023
Mar. 15, 2018
Nov. 01, 2008
Jun. 30, 2025
Mar. 31, 2025
Jun. 30, 2024
Mar. 31, 2024
Jun. 30, 2025
Jun. 30, 2024
Sep. 30, 2024
Apr. 01, 2025
Dec. 31, 2024
Nov. 22, 2023
Cash, Cash Equivalent, Restricted Cash, and Restricted Cash Equivalent, Continuing Operation         $ 5,073,343       $ 5,073,343       $ 5,298,722  
Working Capital         8,979,820       8,979,820          
Revenue from Contract with Customer, Including Assessed Tax         0   $ 2,623,118   1,260,756 $ 3,961,485        
Net Income (Loss) Attributable to Parent         266,174 $ 514,765 31,307 $ (187,290) 780,939 (155,983)        
Cash Provided by (Used in) Operating Activity, Including Discontinued Operation                 (171,795) 9,600        
Net (loss) income         (266,174) $ (514,765) (31,307) $ 187,290 (780,939) 155,983        
Cash Provided by (Used in) Investing Activity, Including Discontinued Operation                 53,584 906,846        
Debt Instrument, Variable Interest Rate, Type [Extensible Enumeration]     Secured Overnight Financing Rate (SOFR) [Member]                      
Interim Agreement, Initial Term 6 months                          
Interim Agreement, Renewal Period (Year) 6 years                          
Amount Of Gross Receipts During Initial Term $ 1,036,811                          
Percentage Of Gross Receipts During Initial Term 30.00%                          
Amount Of Gross Receipts During Both Renewal Periods $ 518,406                          
Percentage Amount of Gross Receipts During Both Renewal Periods 30.00%                          
Covenant Agreement [Member]                            
Contractual Obligation                       $ 276,923    
Concession Agreement [Member]                            
Percentage Payable Greater than Gross Receipts During Period       18.00%                    
Amount of Gross Receipts During Period       $ 5,000,000             $ 5,000,000      
Percentage Payable Greater than Gross Receipts in Year One       25.00%                    
Temporary Use Authorization Agreement [Member]                            
Monthly Administrative Fee   $ 5,000                        
Interim Agreement [Member]                            
Concession Fees                 412,000 1,211,000        
Key Bank National Association [Member] | Term Loan [Member]                            
Long-Term Debt, Current Maturities, Total         $ 0   $ 0   $ 0 $ 0        
Working Capital Line of Credit [Member] | Key Bank National Association [Member]                            
Line of Credit Facility, Maximum Borrowing Capacity     $ 1,000,000                     $ 500,000
Acquisition Line of Credit [Member] | Key Bank National Association [Member]                            
Debt Instrument, Basis Spread on Variable Rate     2.75%