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Commitments And Contingencies (Narrative) (Details)
 3 Months Ended 9 Months Ended
Aug. 21, 2020
item
Sep. 30, 2019
USD ($)
Sep. 30, 2020
USD ($)
$ / shares
$ / bbl
shares
Loss Contingencies [Line Items]      
Cost reduction   $ 390,000  
Cost reduction paid into common stock     $ 77,000
Shares issued for services | shares     94,000
Share price | $ / shares     $ 0.82
Period of trailing average of WTI     30 days
Cost reduction liability accrued     $ 0
West Texas Intermediate [Member]      
Loss Contingencies [Line Items]      
Period of trailing average of WTI     30 days
Minimum [Member] | West Texas Intermediate [Member]      
Loss Contingencies [Line Items]      
Compensation reduction | $ / bbl     70
Compensation reimbursement | $ / bbl     85
Hoactzin Partners, L.P. [Member]      
Loss Contingencies [Line Items]      
Number of working interest owners | item 7