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Note 4 - Long-Term Obligations and Operating Lease (Detail) - Potential Third Party Obligation (USD $)
|
12 Months Ended | 6 Months Ended | 12 Months Ended | 6 Months Ended | 12 Months Ended | 6 Months Ended | 12 Months Ended | 6 Months Ended | 12 Months Ended | 6 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]
|
Feb. 28, 2013
Export Water Sale Payments [Member]
Export Water Proceeds Received [Member]
|
Aug. 31, 2012
Export Water Sale Payments [Member]
Export Water Proceeds Received [Member]
|
Feb. 28, 2013
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]
|
Feb. 28, 2013
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]
|
Feb. 28, 2013
Export Water Sale Payments [Member]
Participating Interests Liability [Member]
|
Aug. 31, 2012
Export Water Sale Payments [Member]
Participating Interests Liability [Member]
|
Feb. 28, 2013
Export Water Sale Payments [Member]
Contingency [Member]
|
Aug. 31, 2012
Export Water Sale Payments [Member]
Contingency [Member]
|
Feb. 28, 2013
Export Water Proceeds Received [Member]
|
Aug. 31, 2012
Export Water Proceeds Received [Member]
|
Feb. 28, 2013
Initial Export Water Proceeds To Pure Cycle [Member]
|
Aug. 31, 2012
Initial Export Water Proceeds To Pure Cycle [Member]
|
Aug. 31, 2011
Initial Export Water Proceeds To Pure Cycle [Member]
|
Feb. 28, 2013
Total Potential Third Party Obligation [Member]
|
Aug. 31, 2012
Total Potential Third Party Obligation [Member]
|
Aug. 31, 2011
Total Potential Third Party Obligation [Member]
|
Feb. 28, 2013
Participating Interests Liability [Member]
|
Aug. 31, 2012
Participating Interests Liability [Member]
|
Aug. 31, 2011
Participating Interests Liability [Member]
|
Feb. 28, 2013
Contingency [Member]
|
Aug. 31, 2012
Contingency [Member]
|
Aug. 31, 2011
Contingency [Member]
|
||||||||
| Balance | $ 848,600 | $ 754,700 | $ 27,737,000 | $ 27,802,700 | $ 218,500 | $ 3,440,600 | $ 3,468,800 | $ 31,807,700 | $ 1,199,100 | $ 1,208,900 | $ 11,090,600 | $ 2,241,500 | $ 2,259,900 | $ 20,717,100 | |||||||||||||||||||||||||||||||
| 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] | $ 93,900 | $ 111,300 | $ (65,700) | $ (77,900) | $ (28,200) | $ (33,400) | $ (9,800) | $ (12,100) | $ (18,400) | $ (21,300) | ||||||||||||||||
|
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