Annual report pursuant to Section 13 and 15(d)

Accrued Closure Costs and ARO (Details Narrative)

v3.20.1
Accrued Closure Costs and ARO (Details Narrative) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2019
Dec. 31, 2018
Asset retirement obligation, liabilities settled $ 1,359 $ 5,293
M&EC [Member]    
Asset retirement obligation, revision of estimate 330 3,323
Asset retirement obligation, liabilities settled 1,359 4,991
Asset retirement obligation, current $ 84 $ 1,142