XML 43 R32.htm IDEA: XBRL DOCUMENT
v3.25.2

Note 9 - Fair Value Measurements (Tables) | 9 Months Ended
--- | ---
Jun. 30, 2025
Notes Tables |
Schedule of Fair Value, Assets and Liabilities Measured on Recurring Basis [Table Text Block] |
|  | Fair Value Measurements - June 30, 2025 |
|  |  |  |  |  | Quoted |  |  | Significant |  |  |  |  |
|  |  |  |  |  | Prices |  |  | Other |  |  | Significant |
|  |  |  |  |  | in Active |  |  | Observable |  |  | Unobservable |
|  | Fair |  |  | Markets |  |  | Inputs |  |  | Inputs |
|  | Value |  |  | (Level 1) |  |  | (Level 2) |  |  | (Level 3) |
Assets: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Interest rate swaps |  | $ | 1,535,068 |  |  | $ | — |  |  | $ | 1,535,068 |  |  | $ | — |
Total |  | $ | 1,535,068 |  |  | $ | — |  |  | $ | 1,535,068 |  |  | $ | — |
Liabilities: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Natural gas purchases |  | $ | 775,477 |  |  | $ | — |  |  | $ | 775,477 |  |  | $ | — |
Total |  | $ | 775,477 |  |  | $ | — |  |  | $ | 775,477 |  |  | $ | — |
|  | Fair Value Measurements - September 30, 2024 |
|  |  |  |  |  | Quoted |  |  | Significant |  |  |  |  |
|  |  |  |  |  | Prices |  |  | Other |  |  | Significant |
|  |  |  |  |  | in Active |  |  | Observable |  |  | Unobservable |
|  | Fair |  |  | Markets |  |  | Inputs |  |  | Inputs |
|  | Value |  |  | (Level 1) |  |  | (Level 2) |  |  | (Level 3) |
Assets: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Interest rate swaps |  | $ | 2,062,551 |  |  | $ | — |  |  | $ | 2,062,551 |  |  | $ | — |
Total |  | $ | 2,062,551 |  |  | $ | — |  |  | $ | 2,062,551 |  |  | $ | — |
Liabilities: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Natural gas purchases |  | $ | 761,020 |  |  | $ | — |  |  | $ | 761,020 |  |  | $ | — |
Total |  | $ | 761,020 |  |  | $ | — |  |  | $ | 761,020 |  |  | $ | — |
Fair Value, by Balance Sheet Grouping [Table Text Block] |
|  | Fair Value Measurements - June 30, 2025 |
|  |  |  |  |  | Quoted |  |  | Significant |  |  |  |  |
|  |  |  |  |  | Prices |  |  | Other |  |  | Significant |
|  |  |  |  |  | in Active |  |  | Observable |  |  | Unobservable |
|  | Carrying |  |  | Markets |  |  | Inputs |  |  | Inputs |
|  | Value |  |  | (Level 1) |  |  | (Level 2) |  |  | (Level 3) |
Liabilities: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Current maturities of long-term debt |  | $ | 2,534,514 |  |  | $ | — |  |  | $ | — |  |  | $ | 2,534,514 |
Notes payable |  |  | 134,965,486 |  |  |  | — |  |  |  | — |  |  |  | 131,790,067 |
Total |  | $ | 137,500,000 |  |  | $ | — |  |  | $ | — |  |  | $ | 134,324,581 |
|  | Fair Value Measurements - September 30, 2024 |
|  |  |  |  |  | Quoted |  |  | Significant |  |  |  |  |
|  |  |  |  |  | Prices |  |  | Other |  |  | Significant |
|  |  |  |  |  | in Active |  |  | Observable |  |  | Unobservable |
|  | Carrying |  |  | Markets |  |  | Inputs |  |  | Inputs |
|  | Value |  |  | (Level 1) |  |  | (Level 2) |  |  | (Level 3) |
Liabilities: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Current maturities of long-term debt |  | $ | 800,000 |  |  | $ | — |  |  | $ | — |  |  | $ | 800,000 |
Notes payable |  |  | 136,955,000 |  |  |  | — |  |  |  | — |  |  |  | 135,471,275 |
Total |  | $ | 137,755,000 |  |  | $ | — |  |  | $ | — |  |  | $ | 136,271,275 |

X
- Definition Tabular disclosure of the fair value of financial instruments, including financial assets and financial liabilities, and the measurements of those instruments, assets, and liabilities. + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Name Accounting Standards Codification -Section 55 -Paragraph 10 -SubTopic 10 -Topic 825 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482881/825-10-55-10 Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 825 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 13 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482907/825-10-50-13 Reference 3: http://www.xbrl.org/2003/role/exampleRef -Topic 825 -SubTopic 10 -Name Accounting Standards Codification -Section 55 -Paragraph 12 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482881/825-10-55-12 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Topic 825 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 12 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482907/825-10-50-12 Reference 5: http://www.xbrl.org/2003/role/disclosureRef -Topic 825 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 11 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482907/825-10-50-11 + Details
Name: | us-gaap_FairValueByBalanceSheetGroupingTextBlock
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of assets and liabilities, including [financial] instruments measured at fair value that are classified in stockholders' equity, if any, that are measured at fair value on a recurring basis. The disclosures contemplated herein include the fair value measurements at the reporting date by the level within the fair value hierarchy in which the fair value measurements in their entirety fall, segregating fair value measurements using quoted prices in active markets for identical assets (Level 1), significant other observable inputs (Level 2), and significant unobservable inputs (Level 3). + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 820 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482106/820-10-50-2 Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 820 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482106/820-10-50-2 + Details
Name: | us-gaap_ScheduleOfFairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- References No definition available. + Details
Name: | us-gaap_TableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration