v3.26.1
Note 2 - Liquidity and Material Agreements (Details Textual) - USD ($)
3 Months Ended 6 Months Ended 9 Months Ended
Nov. 22, 2023
Jul. 13, 2023
Nov. 01, 2008
Jun. 30, 2026
Mar. 31, 2026
Jun. 30, 2025
Mar. 31, 2025
Jun. 30, 2026
Jun. 30, 2025
Sep. 30, 2024
Dec. 31, 2025
Apr. 01, 2025
Mar. 15, 2018
Cash, Cash Equivalent, Restricted Cash, and Restricted Cash Equivalent, Continuing Operation       $ 4,249,563       $ 4,249,563     $ 4,631,666    
Working Capital       8,494,067       8,494,067          
Revenue from Contract with Customer, Including Assessed Tax       15,000   $ 0   30,000 $ 1,260,756        
Net Income (Loss) Attributable to Parent       21,283 $ 223,227 266,174 $ 514,765 244,510 780,939        
Cash Provided by (Used in) Operating Activity, Including Discontinued Operation               (316,241) (171,795)        
Net loss       (21,283) $ (223,227) $ (266,174) $ (514,765) (244,510) (780,939)        
Cash Provided by (Used in) Investing Activity, Including Discontinued Operation               65,862 53,584        
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%                    
Interim Agreement [Member]                          
Concession Fees               0 $ 412,000        
Key Bank National Association [Member] | Term Loan [Member]                          
Long-Term Debt, Current Maturities       $ 0       $ 0     $ 0    
Working Capital Line of Credit [Member] | Key Bank National Association [Member]                          
Line of Credit Facility, Maximum Borrowing Capacity $ 500,000                       $ 1,000,000
Acquisition Line of Credit [Member] | Key Bank National Association [Member]                          
Debt Instrument, Basis Spread on Variable Rate 2.75%