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PARTICIPATING INTERESTS IN EXPORT WATER (Details) - USD ($) | 12 Months Ended | 48 Months Ended
--- | --- | ---
Aug. 31, 2017 | Aug. 31, 2016 | Aug. 31, 2015 | Aug. 31, 2013
Export Water Proceeds Received |  |  |  |  |
Remaining Third Party Obligation: |  |  |  |  |
Balance, original |  |  |  | $ 0 |
Balance, beginning |  | $ 1,261,800 | $ 1,053,900 |  |
Acquisitions |  |  |  | 0 |
Relinquishment |  |  |  | 0 |
Option payments |  |  |  | 110,400 |
Arapahoe Tap fees | [1] |  |  | 533,000 |
Export Water Sale Payments |  | 58,100 | 207,900 | 410,500 |
Balance, ending |  | 1,319,900 | 1,261,800 | 1,053,900 |
Initial Export Water Proceeds To Pure Cycle |  |  |  |  |
Remaining Third Party Obligation: |  |  |  |  |
Balance, original |  |  |  | 218,500 |
Balance, beginning |  | 29,742,900 | 29,926,100 |  |
Acquisitions |  |  |  | 28,042,500 |
Relinquishment |  |  |  | 2,386,400 |
Option payments |  |  |  | (42,300) |
Arapahoe Tap fees | [1] |  |  | (373,100) |
Export Water Sale Payments |  | (51,200) | (183,200) | (305,900) |
Balance, ending |  | 29,691,700 | 29,742,900 | 29,926,100 |
Total Potential Third Party Obligation |  |  |  |  |
Remaining Third Party Obligation: |  |  |  |  |
Balance, original |  |  |  |  | $ 31,807,700
Balance, beginning |  | 1,021,500 |  |  |
Acquisitions |  |  |  |  | (28,042,500)
Relinquishment |  |  |  |  | (2,386,400)
Option payments |  |  |  |  | (68,100)
Arapahoe Tap fees | [1] |  |  |  | (159,900)
Export Water Sale Payments |  | (6,900) | 24,700 |  | (104,600)
Balance, ending |  | 1,014,600 | 1,021,500 |  | $ 1,046,200
Participating Interests Liability |  |  |  |  |
Remaining Third Party Obligation: |  |  |  |  |
Balance, original |  |  |  | 11,090,600 |
Balance, beginning |  | 344,000 | 352,600 |  |
Acquisitions |  |  |  | (9,790,000) |
Relinquishment |  |  |  | (832,100) |
Option payments |  |  |  | (23,800) |
Arapahoe Tap fees | [1] |  |  | (55,800) |
Export Water Sale Payments |  | (2,400) | (8,600) | (36,300) |
Balance, ending |  | 341,600 | 344,000 | 352,600 |
Contingency |  |  |  |  |
Remaining Third Party Obligation: |  |  |  |  |
Balance, original |  |  |  | 2,717,100 |
Balance, beginning |  | 677,500 | 693,600 |  |
Acquisitions |  |  |  | (18,252,500) |
Relinquishment |  |  |  | (1,554,300) |
Option payments |  |  |  | (44,300) |
Arapahoe Tap fees | [1] |  |  | (104,100) |
Export Water Sale Payments |  | (4,500) | (16,100) | (68,300) |
Balance, ending |  | $ 673,000 | $ 677,500 | $ 693,600 |
[1] | The Arapahoe County tap fees are less $34,522 in royalties paid to the Land Board.

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