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
Jun. 30, 2019
Dec. 31, 2018
Discontinued Operations and Disposal Groups [Abstract]    
Other assets $ 98 $ 107
Total current assets 98 107
Property, plant and equipment, net [1] 81 81
Other assets 78 118
Total long-term assets 159 199
Total assets 257 306
Accounts payable 9 10
Accrued expenses and other liabilities 262 296
Environmental liabilities 40 50
Total current liabilities 311 356
Closure liabilities 130 126
Environmental liabilities 837 837
Total long-term liabilities 967 963
Total liabilities $ 1,278 $ 1,319
[1] Net of accumulated depreciation of $10,000 for each period presented.