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3. WATER AND LAND ASSETS (Tables)
 9 Months Ended
May. 31, 2015
Investments In Water Water Systems Land And Improvements Tables  
Schedule of water and water systems
    May 31, 2015     August 31, 2014  
    Costs     Accumulated Depreciation and Depletion     Costs     Accumulated Depreciation and Depletion  
Arkansas River Valley assets   $ 68,821,400     $ (1,488,600 )   $ 67,746,400     $ (1,488,600 )
Rangeview water supply     14,444,600       (8,600 )     14,444,600       (8,400 )
Sky Ranch water rights and other costs     6,551,400       (170,100 )     6,004,000       (93,000 )
Fairgrounds water and water system     2,899,900       (776,700 )     2,899,900       (710,600 )
Rangeview water system     1,270,100       (99,900 )     1,148,200       (77,900 )
Water supply – other     3,668,800       (167,900 )     1,050,200       (90,900 )
Totals     97,656,200       (2,711,800 )     93,293,300       (2,469,400 )
Net investments in water and water systems   $ 94,944,400             $ 90,823,900