Annual report pursuant to Section 13 and 15(d)

WATER AND LAND ASSETS, Service to Customers Not on the Lowry Range & O&G Leases (Details)

v3.10.0.1
WATER AND LAND ASSETS, Service to Customers Not on the Lowry Range & O&G Leases (Details)
 12 Months Ended
Aug. 31, 2018
USD ($)
a
Connection
Aug. 31, 2011
a
Aug. 31, 2010
USD ($)
a
mi
acre ft
Aug. 31, 2017
USD ($)
Jun. 30, 2017
USD ($)
Dec. 15, 2016
USD ($)
Nov. 30, 2015
a
Aug. 31, 2015
a
Service to Customers Not on the Lowry Range [Abstract]                
Area of land (in acres) | a 931           700 14,600
Costs $ 39,735,200     $ 36,857,900        
Sky Ranch Water Rights and Other Costs [Member]                
Service to Customers Not on the Lowry Range [Abstract]                
Area of land (in acres) | a     931          
Volume of water | acre ft     830          
Capitalized costs     $ 9,200,000          
Length of pipeline | mi     8          
Costs 8,514,100   $ 6,725,000 6,725,000        
Direct cost and fees for purchase of land and water     $ 554,100          
Wild Pointe Service Rights [Member]                
Service to Customers Not on the Lowry Range [Abstract]                
Costs $ 1,631,700     1,631,700   $ 1,631,700    
Percentage of wastewater tap fees recognized as income 100.00%              
Percentage of remaining gross revenue retained 98.00%              
Number of single family equivalent water connections | Connection 200              
Sky Ranch Pipeline [Member]                
Service to Customers Not on the Lowry Range [Abstract]                
Costs $ 5,615,900     $ 4,700,000 $ 4,700,000      
Anadarko E&P Company, L.P [Member]                
Oil and Gas Lease Payments [Abstract]                
Mineral estate area owned (in acres) | a   634            
Term period of lease   3 years            
Bison Oil and Gas, LLP [Member]                
Oil and Gas Lease Payments [Abstract]                
Mineral estate area owned (in acres) | a 40              
Term period of lease 3 years