Income Taxes (Details) - USD ($) $ in Thousands	12 Months Ended
Dec. 31, 2022	Dec. 31, 2021
Income Taxes
Expected tax credit	$ 0	$ (297)
State income taxes, net of federal tax benefits	0	(56)
Decrease in environmental liability	0	0
Increase (decrease) in valuation allowance	0	353
Income tax expense benefit continuing operations	$ 0	$ 0
Expected tax (credit), percentage	(21.00%)	(21.00%)
State income taxes, net of federal tax benefits, percentage	(4.00%)	(4.00%)
Decrease in environmental liability, percentage	0.00%	0.00%
Increase (decrease) in valuation allowance percentage	25.00%	25.00%
Effective income tax rate continuing operations	0.00%	0.00%

Percentage of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations.

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Percentage of domestic federal statutory tax rate applicable to pretax income (loss).

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Percentage of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to changes in the valuation allowance for deferred tax assets.

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Amount of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations.

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