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v3.23.1

Income Taxes (Components of Deferred Tax Assets and Liabilities) (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2022 | Dec. 31, 2021
Income Tax Disclosure [Abstract] |  |
Deferred tax assets, Accrued postretirement and pension benefits | $ 360 | $ 149
Deferred tax liabilities, Intangible assets | (26) | (22)
Deferred tax assets, Accrued expenses | 2,326 | 1,367
Deferred tax assets, Accrued warranty costs | 0 |
Prepaid expenses | (1,155) |
Deferred tax assets, Deferred state and local incentive revenue |  | 537
Deferred Tax Assets Accrued severance | 0 |
Deferred tax assets, Inventory valuation | 1,219 | 496
Deferred tax assets, Property, plant and equipment and railcars on operating leases |  | 103
Deferred tax liabilities, Property, plant and equipment and railcars on operating leases | (1,166) |
Deferred tax assets, Net operating loss, tax credit, and interest carryforwards | 65,218 | 62,536
Deferred tax assets, Stock-based compensation expense | 1,715 | 1,539
Deferred tax assets, Other | 371 | 99
Right of use asset | (10,902) | (4,780)
Deferred tax Liabilities, Other | (1,448) |
Lease liability | 11,376 | 5,175
Deferred Tax Assets, Gross, Total | 82,585 | 72,001
Deferred Tax Liabilities, Gross, Total | (14,697) | (4,802)
Deferred Tax Assets, Valuation Allowance | (67,881) | (67,204)
Deferred tax assets, net, total | 14,704 | 4,797
Deferred tax liabilities, net, total | (14,697) | (4,802)
Increase (decrease) in valuation allowance | $ 677 | $ 7,591

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