Quarterly report pursuant to Section 13 or 15(d)

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

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Discontinued Operations - Schedule of Disposal Groups, Including Discontinued Operation Balance Sheet (Details) - USD ($)
$ in Thousands
Mar. 31, 2019
Dec. 31, 2018
Discontinued Operations and Disposal Groups [Abstract]    
Other assets $ 99 $ 107
Total current assets 99 107
Property, plant and equipment, net [1] 81 81
Other assets 98 118
Total long-term assets 179 199
Total assets 278 306
Accounts payable 26 10
Accrued expenses and other liabilities 256 296
Environmental liabilities 40 50
Total current liabilities 322 356
Closure liabilities 127 126
Environmental liabilities 837 837
Total long-term liabilities 964 963
Total liabilities $ 1,286 $ 1,319
[1] Net of accumulated depreciation of $10,000 for each period presented.