Income Taxes (Tables)

12 Months Ended

Dec. 31, 2023

Income Tax Disclosure [Abstract]

Composition of Income Tax Expense

The provision for income taxes for the periods indicated includes current and deferred components as follows:

		Year Ended December 31
		2023				2022
Current Tax Expense/(Benefit)
Federal	$		-		$		-
Foreign			2,556				2,285
State			39				40
			2,595				2,325
Deferred Tax Expense/(Benefit)
Federal			1				1
Foreign			(1,095	)			(14	)
			(1,094	)			(13	)
Total	$		1,501		$		2,312

Reconciliation of Income Tax Rate

The (provision) benefit for income taxes for the periods indicated differs from the amounts computed by applying the federal statutory rate as follows:

	Year Ended December 31
	2023				2022
Statutory U.S. federal income tax rate		21.0		%		21.0		%
State income taxes, net of federal tax benefit		0.5		%		0.4		%
Valuation allowance		(18.5	)	%		(5.8	)	%
Provision to return		(0.6	)	%		(0.2	)	%
Foreign rate differential		(2.2	)	%		(1.5	)	%
Foreign tax adjustments		0.0		%		(1.1	)	%
Deferred tax adjustments		0.6		%		(17.9	)	%
Nondeductible expenses and other		(7.6	)	%		(1.2	)	%
Effective income tax rate		(6.8	)	%		(6.3	)	%

Components of Deferred Tax Assets and Liabilities

Components of deferred tax assets (liabilities) consisted of the following:

	December 31, 2023						December 31, 2022
Description	Assets			Liabilities			Assets			Liabilities
Accrued post-retirement and pension benefits	$	224		$	-		$	360		$	-
Intangible assets		-			(30	)		-			(26	)
Accrued expenses		2,444			-			2,326			-
Prepaid expenses		-			(682	)		-			(1,155	)
Inventory valuation		524			-			1,219			-
Property, plant and equipment and railcars on operating leases		-			(598	)		-			(1,166	)
Net operating loss, tax credit, and interest carryforwards		69,371			-			65,218			-
Stock-based compensation expense		1,782			-			1,715			-
Other		-			(977	)		371			(1,448	)
Right of use asset		-			(12,671	)		-			(10,902	)
Lease liability		13,354			-			11,376			-
		87,699			(14,958	)		82,585			(14,697	)
Valuation Allowance		(71,640	)		-			(67,881	)		-
Deferred tax assets (liabilities)	$	16,059		$	(14,958	)	$	14,704		$	(14,697	)
Increase in valuation allowance	$	3,759					$	677

Income Tax Years Subject to Examination

A summary of tax years that remain subject to examination is as follows:

Jurisdiction	Earliest Year
U.S. Federal	2020
States:
Pennsylvania	2002
Texas	2019
Illinois	2010
Virginia	2020
Colorado	2010
Indiana	2020
Nebraska	2016
Alabama	2017
Foreign:
China	2020
Mexico	2020