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SEGMENT REPORTING, Wholesale Water and Wastewater Services and Land Development Pretax Income (Details) - USD ($) | 3 Months Ended | 12 Months Ended
--- | --- | ---
Aug. 31, 2019 | May 31, 2019 | Feb. 28, 2019 | Nov. 30, 2018 | Aug. 31, 2018 | May 31, 2018 | Feb. 28, 2018 | Nov. 30, 2017 | Aug. 31, 2019 | Aug. 31, 2018
Pretax income (loss) [Abstract] |  |  |  |  |  |  |  |  |  |
Depreciation, general and administrative expenses |  |  |  |  |  |  |  |  | $ (3,419,149) | $ (3,106,325)
Operating income (loss) | $ 1,597,000 | $ 1,159,000 | $ (276,000) | $ 519,000 | $ (7,000) | $ (88,000) | $ (14,000) | $ (200,000) | 2,998,661 | (308,727)
Wholesale Water and Wastewater Services [Member] |  |  |  |  |  |  |  |  |  |
Pretax income (loss) [Abstract] |  |  |  |  |  |  |  |  |  |
Operating income (loss) |  |  |  |  |  |  |  |  | 5,766,783 | 2,646,988
Land Development Activities [Member] |  |  |  |  |  |  |  |  |  |
Pretax income (loss) [Abstract] |  |  |  |  |  |  |  |  |  |
Operating income (loss) |  |  |  |  |  |  |  |  | $ 651,027 | $ 150,610

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