XML 31 R20.htm IDEA: XBRL DOCUMENT v3.8.0.1
Investment in Masterson West II, LLC (Tables)
12 Months Ended
Dec. 31, 2017
Investment In Masterson West Ii Llc Tables  
Schedule of masterson west ii Balance Sheet
Masterson West II Summarized Balance Sheet   2017  
         
Total Assets (option and partial consideration to purchase certain oil and gas assets)   $ 300,000  
         
Total Liabilities and Equity   $ 300,000