Commitments And Contingencies (Narrative) (Details)	6 Months Ended	51 Months Ended
	Jun. 30, 2019 USD ($) $ / bbl shares	Mar. 31, 2019 USD ($)	Jul. 31, 2019 USD ($)	Jul. 01, 2019 $ / shares	Sep. 30, 2012 USD ($)
Loss Contingencies [Line Items]
Cost reduction		$ 412,000
Cost reduction paid into common stock	$ 84,000
Shares issued for services | shares	100,000
Share price | $ / shares				$ 0.84
Period of trailing average of WTI	30 days
Cost reduction liability accrued	$ 0
Incidence Of Non-Compliance [Member]
Loss Contingencies [Line Items]
Maximum potential loss					$ 386,000
Subsequent Event [Member]
Loss Contingencies [Line Items]
Drilling commitment			$ 88,000
Minimum [Member] | West Texas Intermediate [Member]
Loss Contingencies [Line Items]
Compensation reduction | $ / bbl	70
Compensation reimbursement | $ / bbl	85