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Description And Presentation (Details)
Dec. 31, 2016
USD ($)
Feb. 28, 2014
USD ($)
Description And Presentation    
Oil and gas wells of the company 153  
Non-producing wells 31  
Related equipment and mineral leases in acres 20,000  
Estimates of future net revenues in millions $ 6,300,000  
Residents in retirement community 114  
Company acquired 7.4 acres of undeveloped land in Desoto   $ 624,000
Company sold the land $ 700,000  
Recorded a gain on sale of land $ 50,000