Schedule of Disposal Groups, Including Discontinued Operation Balance Sheet (Details) - USD ($) $ in Thousands		Mar. 31, 2024	Dec. 31, 2023
Current assets
Other assets		$ 13	$ 13
Total current assets		13	13
Long-term assets
Property, plant and equipment, net	[1]	81	81
Total long-term assets		81	81
Total assets		94	94
Current liabilities
Accounts payable		94	80
Accrued expenses and other liabilities		128	128
Environmental liabilities		16	61
Total current liabilities		238	269
Long-term liabilities
Closure liabilities		171	169
Environmental liabilities		784	784
Total long-term liabilities		955	953
Total liabilities		$ 1,193	$ 1,222

[1] net of accumulated depreciation of $10,000 for each period presented.