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 ($)
 9 Months Ended 221 Months Ended
May. 31, 2015
Aug. 31, 2014
Export Water Proceeds Received    
Remaining Third Party Obligation:    
Balance, original    
Balance, beginning $ 1,004,300  
Acquisitions   $ 0
Option payments   110,400
Arapahoe Tap fees   533,000
Export Water Sale Payments 184,200 360,900
Balance, ending 1,188,500 1,004,300
Initial Export Water Proceeds To Pure Cycle    
Remaining Third Party Obligation:    
Balance, original   218,500
Balance, beginning 30,004,800  
Acquisitions   28,077,500
Relinquishment   2,386,400
Option payments   (42,300)
Arapahoe Tap fees   (373,100)
Export Water Sale Payments (162,300) (262,200)
Balance, ending 29,842,500 30,004,800
Total Potential Third Party Obligation    
Remaining Third Party Obligation:    
Balance, original   31,807,700
Balance, beginning 1,017,100  
Acquisitions   (28,077,500)
Relinquishment   (2,386,400)
Option payments   (68,100)
Arapahoe Tap fees   (159,900)
Export Water Sale Payments (21,900) (98,700)
Balance, ending 995,200 1,017,100
Participating Interests Liability    
Remaining Third Party Obligation:    
Balance, original   11,090,600
Balance, beginning 354,600  
Acquisitions   (9,790,000)
Relinquishment   (832,100)
Option payments   (23,800)
Arapahoe Tap fees   (55,800)
Export Water Sale Payments (7,600) (34,300)
Balance, ending 347,000 354,600
Contingency    
Remaining Third Party Obligation:    
Balance, original   20,717,100
Balance, beginning 662,500  
Acquisitions   (18,287,500)
Relinquishment   (1,554,300)
Option payments   (44,300)
Arapahoe Tap fees   (104,100)
Export Water Sale Payments (14,300) (64,400)
Balance, ending $ 648,200 $ 662,500