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LONG-TERM OBLIGATIONS AND OPERATING LEASE, Long-Term Obligations (Details) | 9 Months Ended | 257 Months Ended
--- | --- | ---
May 31, 2018 USD ($) Member | Aug. 31, 2017 USD ($)
LONG-TERM OBLIGATIONS AND OPERATING LEASE [Abstract] |  |  |
Percentage of original recorded liability compared to original total liability |  | 35.00% |
Percentage of payment remitted to CAA holders allocated to recorded liability account |  | 35.00% |
Percentage of payment remitted to CAA holders allocated to contingent obligation |  | 65.00% |
Percentage of net proceeds from sale of export water allocated |  | 88.00% |
Export Water Proceeds Received [Roll Forward] |  |  |
Balance at beginning of period |  | $ 1,319,900 | $ 0
Acquisitions |  |  | 0
Relinquishment |  |  | 0
Option payments - Sky Ranch and The Hills at Sky Ranch |  |  | 110,400
Arapahoe County tap fees | [1] |  | 533,000
Export water sale payments |  | 51,900 | 676,500
Balance at end of period |  | 1,371,800 | 1,319,900
Initial Export Water Proceeds To Pure Cycle [Roll Forward] |  |  |
Balance at beginning of period |  | 29,691,700 | 218,500
Acquisitions |  |  | 28,042,500
Relinquishment |  |  | 2,386,400
Option payments - Sky Ranch and The Hills at Sky Ranch |  |  | (42,300)
Arapahoe County tap fees | [1] |  | (373,100)
Export water sale payments |  | (45,700) | (540,300)
Balance at end of period |  | 29,646,000 | 29,691,700
Total Potential Third-Party Obligation [Roll Forward] |  |  |
Balance at beginning of period |  | 1,014,600 | 31,807,700
Acquisitions |  |  | (28,042,500)
Relinquishment |  |  | (2,386,400)
Option payments |  |  | (68,100)
Arapahoe County tap fees | [1] |  | (159,900)
Export water sale payments |  | (6,200) | (136,200)
Balance at end of period |  | 1,008,400 | 1,014,600
Participating Interests Liability [Roll Forward] |  |  |
Balance at beginning of period |  | 341,558 | 11,090,600
Acquisitions |  |  | (9,790,000)
Relinquishment |  |  | (832,100)
Option payments - Sky Ranch and The Hills at Sky Ranch |  |  | (23,800)
Arapahoe County tap fees | [1] |  | (55,800)
Export water sale payments |  | (2,200) | (47,300)
Balance at end of period |  | 339,406 | 341,558
Contingency [Roll Forward] |  |  |
Balance at beginning of period |  | 673,000 | 20,717,100
Acquisitions |  |  | (18,252,500)
Relinquishment |  |  | (1,554,300)
Option payments - Sky Ranch and The Hills at Sky Ranch |  |  | (44,300)
Arapahoe County tap fees | [1] |  | (104,100)
Export water sale payments |  | (4,000) | (88,900)
Balance at end of period |  | 669,000 | $ 673,000
Royalties [Abstract] |  |  |
Royalties paid to Land Board |  | (34,522) |
Export Water [Abstract] |  |  |
Expected future export water payouts |  | 6,600,000 |
Revenue receivables from sale of export water |  | 5,800,000 |
Expected proceeds from sale of export water after deduction of Land Board royalty |  | $ 220,000 |
SMWA [Member] |  |  |
WISE Partnership [Abstract] |  |  |
Number of other governmental or quasi-governmental water providers | Member |  | 9 |
Number of members | Member |  | 10 |
Rangeview District [Member] | WISE Partnership [Member] |  |  |
WISE Partnership [Abstract] |  |  |
Projected cost |  | $ 5,200,000 |
Projected financing period |  | 5 years |
[1] | The Arapahoe County tap fees are net of $34,522 in royalties paid to the Land Board.

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