Quarterly report pursuant to Section 13 or 15(d)

Schedule of Disposal Groups, Including Discontinued Operation Balance Sheet (Details)

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Schedule of Disposal Groups, Including Discontinued Operation Balance Sheet (Details) - USD ($)
$ in Thousands
 3 Months Ended 12 Months Ended
Mar. 31, 2022
Dec. 31, 2021
Current assets    
Other assets $ 27 $ 15
Total current assets 27 15
Long-term assets    
Property, plant and equipment, net [1] 81 81
Total long-term assets 81 81
Total assets 108 96
Current liabilities    
Accounts payable 34 3
Accrued expenses and other liabilities 147 154
Environmental liabilities 621 349
Total current liabilities 802 506
Long-term liabilities    
Closure liabilities 153 150
Environmental liabilities 255 527
Total long-term liabilities 408 677
Total liabilities 1,210 1,183
Depreciation $ 10,000 $ 10,000
[1] net of accumulated depreciation of $10,000 for each period presented.