Quarterly report pursuant to Section 13 or 15(d)

4. LONG-TERM OBLIGATIONS AND OPERATING LEASE (Details)

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4. LONG-TERM OBLIGATIONS AND OPERATING LEASE (Details) - USD ($)
 3 Months Ended 245 Months Ended
Nov. 30, 2016
Aug. 31, 2016
Export Water Proceeds Received    
Remaining Third Party Obligation:    
Balance, original   $ 0
Balance, beginning $ 1,261,800  
Acquisitions   0
Option payments   110,400
Arapahoe Tap fees [1]   533,000
Export Water Sale Payments 37,200 618,400
Balance, ending 1,299,000 1,261,800
Initial Export Water Proceeds To Pure Cycle    
Remaining Third Party Obligation:    
Balance, original   218,500
Balance, beginning 29,742,900  
Acquisitions   30,428,900
Option payments   (42,300)
Arapahoe Tap fees [1]   (373,100)
Export Water Sale Payments (32,700) (489,100)
Balance, ending 29,710,200 29,742,900
Total Potential Third Party Obligation    
Remaining Third Party Obligation:    
Balance, original   31,807,700
Balance, beginning 1,021,500  
Acquisitions   (30,428,900)
Option payments   (68,100)
Arapahoe Tap fees [1]   (159,900)
Export Water Sale Payments (4,500) (129,300)
Balance, ending 1,017,000 1,021,500
Participating Interests Liability    
Remaining Third Party Obligation:    
Balance, original   11,090,600
Balance, beginning 344,000  
Acquisitions   (10,622,100)
Option payments   (23,800)
Arapahoe Tap fees [1]   (55,800)
Export Water Sale Payments (1,600) (44,900)
Balance, ending 342,400 344,000
Contingency    
Remaining Third Party Obligation:    
Balance, original   20,717,100
Balance, beginning 677,500  
Acquisitions   (19,806,800)
Option payments   (44,300)
Arapahoe Tap fees [1]   (104,100)
Export Water Sale Payments (2,900) (84,400)
Balance, ending $ 674,600 $ 677,500
[1] The Arapahoe County tap fees are net of $34,522 in royalties paid to the Land Board.