v3.26.1
Note 2 - Summary of Significant Accounting Policies (Details Textual)
$ / shares in Units, shares in Thousands
1 Months Ended 3 Months Ended 6 Months Ended
Apr. 30, 2026
USD ($)
$ / shares
Apr. 30, 2025
USD ($)
$ / shares
Apr. 30, 2024
USD ($)
$ / shares
May 31, 2023
USD ($)
$ / shares
Jun. 30, 2026
shares
Jun. 30, 2026
USD ($)
shares
Jun. 30, 2025
USD ($)
Number of Reportable Segments           1  
Payments Related to State Tax Withholding Taxes on Behalf of Limited Partners           $ 675,000 $ 400,000
Weighted Average Number Diluted Limited Partnership Units Outstanding Adjustment (in shares) | shares         0 0  
Tax Year 2021 [Member]              
Payments Related to State Tax Withholding Taxes on Behalf of Limited Partners       $ 243,000      
Distribution Withholding Tax to Limited Partner Per Common Unit (in dollars per share) | $ / shares       $ 0.013      
Tax Year 2022 [Member]              
Payments Related to State Tax Withholding Taxes on Behalf of Limited Partners     $ 353,000        
Distribution Withholding Tax to Limited Partner Per Common Unit (in dollars per share) | $ / shares     $ 0.019        
Tax Year 2023 [Member]              
Payments Related to State Tax Withholding Taxes on Behalf of Limited Partners     $ 869,000        
Distribution Withholding Tax to Limited Partner Per Common Unit (in dollars per share) | $ / shares     $ 0.046        
Tax Year 2024 [Member]              
Payments Related to State Tax Withholding Taxes on Behalf of Limited Partners   $ 400,000          
Distribution Withholding Tax to Limited Partner Per Common Unit (in dollars per share) | $ / shares   $ 0.021          
Tax Year 2025 [Member]              
Payments Related to State Tax Withholding Taxes on Behalf of Limited Partners $ 675,000            
Distribution Withholding Tax to Limited Partner Per Common Unit (in dollars per share) | $ / shares $ 0.036            
Operator Benchmark [Member] | Property Operated [Member] | Chord [Member]              
Concentration Risk, Percentage           99.00%