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4. LONG-TERM OBLIGATIONS AND OPERATING LEASE (Details) - USD ($) | 3 Months Ended | 257 Months Ended
--- | --- | ---
Nov. 30, 2017 | Aug. 31, 2017
Export Water Proceeds Received |  |  |
Remaining Third Party Obligation: |  |  |
Balance, original |  |  | $ 0
Balance, beginning |  | $ 1,319,900 |
Acquisitions |  |  | 0
Relinquishment |  |  | 0
Option payments |  |  | 110,400
Arapahoe Tap fees | [1] |  | 533,000
Export Water Sale Payments |  | 23,000 | 676,500
Balance, ending |  | 1,342,900 | 1,319,900
Initial Export Water Proceeds To Pure Cycle |  |  |
Remaining Third Party Obligation: |  |  |
Balance, original |  |  | 218,500
Balance, beginning |  | 29,691,700 |
Acquisitions |  |  | 28,042,500
Relinquishment |  |  | 2,386,400
Option payments |  |  | (42,300)
Arapahoe Tap fees | [1] |  | (373,100)
Export Water Sale Payments |  | (20,300) | (540,300)
Balance, ending |  | 29,671,400 | 29,691,700
Total Potential Third Party Obligation |  |  |
Remaining Third Party Obligation: |  |  |
Balance, original |  |  | 31,807,700
Balance, beginning |  | 1,014,600 |
Acquisitions |  |  | (28,042,500)
Relinquishment |  |  | (2,386,400)
Option payments |  |  | (68,100)
Arapahoe Tap fees | [1] |  | (159,900)
Export Water Sale Payments |  | (2,700) | (136,200)
Balance, ending |  | 1,011,900 | 1,014,600
Participating Interests Liability |  |  |
Remaining Third Party Obligation: |  |  |
Balance, original |  |  | 11,090,600
Balance, beginning |  | 341,600 |
Acquisitions |  |  | (9,790,000)
Relinquishment |  |  | (832,100)
Option payments |  |  | (23,800)
Arapahoe Tap fees | [1] |  | (55,800)
Export Water Sale Payments |  | (900) | (47,300)
Balance, ending |  | 340,700 | 341,600
Contingency |  |  |
Remaining Third Party Obligation: |  |  |
Balance, original |  |  | 20,717,100
Balance, beginning |  | 673,000 |
Acquisitions |  |  | (18,252,500)
Relinquishment |  |  | (1,554,300)
Option payments |  |  | (44,300)
Arapahoe Tap fees | [1] |  | (104,100)
Export Water Sale Payments |  | (1,800) | (88,900)
Balance, ending |  | $ 671,200 | $ 673,000
[1] | The Arapahoe County tap fees are net of $34,522 in royalties paid to the Land Board.

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