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M. ASSET RETIREMENT OBLIGATION (Tables)
12 Months Ended
Dec. 31, 2017
Asset Retirement Obligation Disclosure [Abstract]  
Schedule of Asset Retirement Obligations
   2017   2016 
Asset retirement obligation, January 1  $2,770   $2,770 
Acquisition of oil and gas properties        
Revisions in the estimated cash flows        
Liability incurred upon acquiring and drilling wells        
Liability settled upon plugging and abandoning wells        
Accretion of discount expense        
Asset retirement obligation, December 31  $2,770   $2,770