| Segment Information | The tables below present the measure of profit and assets used to assess the performance of the two required segments and the single-family rentals that the Company believes will become a segment for the periods presented: 
|  |  |  |  |  |  |  |  |  |  |  |  |  |  
|  |  | Three Months Ended May 31, 2023 |  
| (In thousands) |      | Water and wastewater resource development |      | Land development |  | Single-family rental |      |     Total |  
| Total revenue |      | $ |  3,643 |      | $ |  3,202 |  | $ |  34 |      | $ |  6,879 |  
|  |  |  |  |  |  |  |  |  |  |  |  |  |  
| Cost of revenue |  |   |  743 |  |   |  1,032 |  |   |  24 |  |   |  1,799 |  
| Depreciation and depletion |  |   |  407 |  |   |  — |  |   |  — |  |   |  407 |  
| Total cost of revenue |  |   |  1,150 |  |   |  1,032 |  |   |  24 |  |   |  2,206 |  
|  |  |  |  |  |  |  |  |  |  |  |  |  |  
| Segment profit |  | $ |  2,493 |  | $ |  2,170 |  | $ |  10 |  | $ |  4,673 |  
|  |  |  |  |  |  |  |  |  |  |  |  |  |  
|  |  |  |  |  |  |  |  |  |  |  |  |  |  
|  |  | Three Months Ended May 31, 2022 |  
| (In thousands) |      | Water and wastewater resource development |      | Land development |  | Single-family rental |      |     Total |  
| Total revenue |  | $ |  2,011 |  | $ |  1,151 |  | $ |  25 |  | $ |  3,187 |  
|  |  |  |  |  |  |  |  |  |  |  |  |  |  
| Cost of revenue |  |   |  748 |  |   |  288 |  |   |  9 |  |   |  1,045 |  
| Depreciation and depletion |  |   |  349 |  |   |  — |  |   |  — |  |   |  349 |  
| Total cost of revenue |  |   |  1,097 |  |   |  288 |  |   |  9 |  |   |  1,394 |  
|  |  |  |  |  |  |  |  |  |  |  |  |  |  
| Segment profit |  | $ |  914 |  | $ |  863 |  | $ |  16 |  | $ |  1,793 |  
|  |  |  |  |  |  |  |  |  |  |  |  |  |  
|  |  | Nine Months Ended May 31, 2023 |  
| (In thousands) |      | Water and wastewater resource development |      | Land development |  | Single-family rental |      |     Total |  
| Total revenue |      | $ |  5,882 |      | $ |  5,237 |  | $ |  90 |      | $ |  11,209 |  
|  |  |  |  |  |  |  |  |  |  |  |  |  |  
| Cost of revenue |  |   |  2,125 |  |   |  1,509 |  |   |  53 |  |   |  3,687 |  
| Depreciation and depletion |  |   |  1,246 |  |   |  — |  |   |  — |  |   |  1,246 |  
| Total cost of revenue |  |   |  3,371 |  |   |  1,509 |  |   |  53 |  |   |  4,933 |  
|  |  |  |  |  |  |  |  |  |  |  |  |  |  
| Segment (loss) profit |  | $ |  2,511 |  | $ |  3,728 |  | $ |  37 |  | $ |  6,276 |  
|  |  |  |  |  |  |  |  |  |  |  |  |  |  
|  |  |  |  |  |  |  |  |  |  |  |  |  |  
|  |  | Nine Months Ended May 31, 2022 |  
| (In thousands) |      | Water and wastewater resource development |      | Land development |  | Single-family rental |      |     Total |  
| Total revenue |  | $ |  5,891 |  | $ |  6,173 |  | $ |  59 |  | $ |  12,123 |  
|  |  |  |  |  |  |  |  |  |  |  |  |  |  
| Cost of revenue |  |   |  2,054 |  |   |  1,160 |  |   |  16 |  |   |  3,230 |  
| Depreciation and depletion |  |   |  1,055 |  |   |  — |  |   |  — |  |   |  1,055 |  
| Total cost of revenue |  |   |  3,109 |  |   |  1,160 |  |   |  16 |  |   |  4,285 |  
|  |  |  |  |  |  |  |  |  |  |  |  |  |  
| Segment profit |  | $ |  2,782 |  | $ |  5,013 |  | $ |  43 |  | $ |  7,838 |   The following table summarizes the Company’s total assets by segment. The assets consist of water rights and water and wastewater systems in the Company’s water and wastewater resource development segment; land, land development costs and deposits in the Company’s land development segment; and the cost of the homes in the single-family rental line. The Company’s other assets (Corporate) primarily consist of cash, cash equivalents, restricted cash, equipment, and related party notes receivables.  
|  |  |  |  |  |  |  |  
| (In thousands) |      | May 31, 2023 |      | August 31, 2022 |  
| Water and wastewater resource development |  | $ |  63,936 |  | $ |  63,064 |  
| Land development |  |  |  29,352 |  |  |  25,522 |  
| Single-family rental |  |  |  4,856 |  |  |  1,715 |  
| Corporate |  |  |  30,021 |  |  |  38,928 |  
| Total assets    |  | $ |  128,165 |  | $ |  129,229 |  |