| Segment Reporting |  
|  |  |  |  |  |  |  |  |  |  |  |  |  |  
|  |  | Three Months Ended November 30, 2024 |  
| (In thousands) |      | Water and wastewater resource development |      | Land development |  | Single-family rental |      |     Total |  
| Total revenue |      | $ |  3,056 |      | $ |  2,572 |  | $ |  124 |      | $ |  5,752 |  
|  |  |  |  |  |  |  |  |  |  |  |  |  |  
| Cost of revenue |  |   |  987 |  |   |  660 |  |   |  68 |  |   |  1,715 |  
| Depreciation and depletion |  |   |  371 |  |   |  — |  |   |  — |  |   |  371 |  
| Total cost of revenue |  |   |  1,358 |  |   |  660 |  |   |  68 |  |   |  2,086 |  
|  |  |  |  |  |  |  |  |  |  |  |  |  |  
| Segment profit |  | $ |  1,698 |  | $ |  1,912 |  | $ |  56 |  | $ |  3,666 |  
|  |  |  |  |  |  |  |  |  |  |  |  |  |  
|  |  |  |  |  |  |  |  |  |  |  |  |  |  
|  |  | Three Months Ended November 30, 2023 |  
| (In thousands) |      | Water and wastewater resource development |      | Land development |  | Single-family rental |      |     Total |  
| Total revenue |  | $ |  3,281 |  | $ |  1,996 |  | $ |  109 |  | $ |  5,386 |  
|  |  |  |  |  |  |  |  |  |  |  |  |  |  
| Cost of revenue |  |   |  858 |  |   |  767 |  |   |  57 |  |   |  1,682 |  
| Depreciation and depletion |  |   |  362 |  |   |  — |  |   |  — |  |   |  362 |  
| Total cost of revenue |  |   |  1,220 |  |   |  767 |  |   |  57 |  |   |  2,044 |  
|  |  |  |  |  |  |  |  |  |  |  |  |  |  
| Segment profit |  | $ |  2,061 |  | $ |  1,229 |  | $ |  52 |  | $ |  3,342 |   
|  |  |  |  |  |  |  |  
| (In thousands) |      | November 30, 2024 |      | August 31, 2024 |  
| Water and wastewater resource development |  | $ |  68,613 |  | $ |  64,616 |  
| Land development |  |  |  8,782 |  |  |  8,521 |  
| Single-family rental |  |  |  5,323 |  |  |  5,371 |  
| Corporate |  |  |  66,970 |  |  |  68,846 |  
| Total assets    |  | $ |  149,688 |  | $ |  147,354 |   |