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Note 4 - Long-Term Obligations and Operating Lease (Detail) - Potential Third Party Obligation (USD $)
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12 Months Ended | 3 Months Ended | 12 Months Ended | 3 Months Ended | 12 Months Ended | 3 Months Ended | 12 Months Ended | 3 Months Ended | 12 Months Ended | 3 Months Ended | 12 Months Ended | ||||||||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
Aug. 31, 2012
Acquisitions [Member]
Initial Export Water Proceeds To Pure Cycle [Member]
|
Aug. 31, 2012
Acquisitions [Member]
Total Potential Third Party Obligation [Member]
|
Aug. 31, 2012
Acquisitions [Member]
Participating Interests Liability [Member]
|
Aug. 31, 2012
Acquisitions [Member]
Contingency [Member]
|
Aug. 31, 2012
Option Payments [Member]
Export Water Proceeds Received [Member]
|
Aug. 31, 2012
Option Payments [Member]
Initial Export Water Proceeds To Pure Cycle [Member]
|
Aug. 31, 2012
Option Payments [Member]
Total Potential Third Party Obligation [Member]
|
Aug. 31, 2012
Option Payments [Member]
Participating Interests Liability [Member]
|
Aug. 31, 2012
Option Payments [Member]
Contingency [Member]
|
Aug. 31, 2012
Arapahoe County Tap Fee [Member]
Export Water Proceeds Received [Member]
|
Aug. 31, 2012
Arapahoe County Tap Fee [Member]
Initial Export Water Proceeds To Pure Cycle [Member]
|
Aug. 31, 2012
Arapahoe County Tap Fee [Member]
Total Potential Third Party Obligation [Member]
|
Aug. 31, 2012
Arapahoe County Tap Fee [Member]
Participating Interests Liability [Member]
|
Aug. 31, 2012
Arapahoe County Tap Fee [Member]
Contingency [Member]
|
Nov. 30, 2012
Export Water Sale Payments [Member]
Export Water Proceeds Received [Member]
|
Aug. 31, 2012
Export Water Sale Payments [Member]
Export Water Proceeds Received [Member]
|
Nov. 30, 2012
Export Water Sale Payments [Member]
Initial Export Water Proceeds To Pure Cycle [Member]
|
Aug. 31, 2012
Export Water Sale Payments [Member]
Initial Export Water Proceeds To Pure Cycle [Member]
|
Nov. 30, 2012
Export Water Sale Payments [Member]
Total Potential Third Party Obligation [Member]
|
Aug. 31, 2012
Export Water Sale Payments [Member]
Total Potential Third Party Obligation [Member]
|
Nov. 30, 2012
Export Water Sale Payments [Member]
Participating Interests Liability [Member]
|
Aug. 31, 2012
Export Water Sale Payments [Member]
Participating Interests Liability [Member]
|
Nov. 30, 2012
Export Water Sale Payments [Member]
Contingency [Member]
|
Aug. 31, 2012
Export Water Sale Payments [Member]
Contingency [Member]
|
Nov. 30, 2012
Export Water Proceeds Received [Member]
|
Aug. 31, 2012
Export Water Proceeds Received [Member]
|
Nov. 30, 2012
Initial Export Water Proceeds To Pure Cycle [Member]
|
Aug. 31, 2012
Initial Export Water Proceeds To Pure Cycle [Member]
|
Dec. 31, 1995
Initial Export Water Proceeds To Pure Cycle [Member]
|
Nov. 30, 2012
Total Potential Third Party Obligation [Member]
|
Aug. 31, 2012
Total Potential Third Party Obligation [Member]
|
Dec. 31, 1995
Total Potential Third Party Obligation [Member]
|
Nov. 30, 2012
Participating Interests Liability [Member]
|
Aug. 31, 2012
Participating Interests Liability [Member]
|
Dec. 31, 1995
Participating Interests Liability [Member]
|
Nov. 30, 2012
Contingency [Member]
|
Aug. 31, 2012
Contingency [Member]
|
Dec. 31, 1995
Contingency [Member]
|
||||||||
| Balance | $ 774,100 | $ 754,700 | $ 27,789,100 | $ 27,802,700 | $ 218,500 | $ 3,463,000 | $ 3,468,800 | $ 31,807,700 | $ 1,208,100 | $ 1,208,900 | $ 11,090,600 | $ 2,254,900 | $ 2,259,900 | $ 20,717,100 | |||||||||||||||||||||||||||||||
| Activity from inception until August 31, 2011: | |||||||||||||||||||||||||||||||||||||||||||||
| Activities | 28,077,500 | (28,077,500) | (9,790,000) | (18,287,500) | 110,400 | (42,300) | (68,100) | (23,800) | (44,300) | 533,000 | [1] | (373,100) | [1] | (159,900) | [1] | (55,800) | [1] | (104,100) | [1] | 19,400 | 111,300 | (13,600) | (77,900) | (5,800) | (33,400) | (800) | (12,100) | (5,000) | (21,300) | ||||||||||||||||
| Balance | $ 774,100 | $ 754,700 | $ 27,789,100 | $ 27,802,700 | $ 218,500 | $ 3,463,000 | $ 3,468,800 | $ 31,807,700 | $ 1,208,100 | $ 1,208,900 | $ 11,090,600 | $ 2,254,900 | $ 2,259,900 | $ 20,717,100 | |||||||||||||||||||||||||||||||
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