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Income Taxes (Tables)

12 Months Ended

Dec. 31, 2023

Income Tax Disclosure [Abstract]

Provisions for Income Taxes

The provisions for income taxes are:

		2023				2022				2021
Current:
Federal		$	8,038			$	7,439			$	6,684
State			1,211				2,173				2,149
Foreign			3,238				3,943				1,106
			12,487				13,555				9,939
Deferred:			—
Federal			(6,263	)			(2,763	)			(2,369	)
State			(1,029	)			(1,243	)			(1,039	)
Foreign			(2,417	)			(988	)			1,635
			(9,709	)			(4,994	)			(1,773	)
Total		$	2,778			$	8,561			$	8,166

Total Income Tax Expense Applying U.S. Federal Income Tax Rate

Total income tax expense differed from the amounts computed by applying the U.S. Federal income tax rate of 21.0% to income before income tax expense, as a result of the following:

		2023				2022				2021
Computed tax expense at statutory federal rates		$	2,162			$	7,553			$	5,619
Increase (decrease) in taxes resulting from:
State taxes, net of federal income tax benefit			756				1,493				1,485
Unrecognized tax benefits			(585	)			(1,441	)			(1,783	)
Bargain purchase gain on business acquisition			—				—				(35	)
Income tax credits			(720	)			(1,342	)			(1,206	)
Foreign tax rate differential			1,025				785				262
Stock based compensation			219				55				208
Global intangible low-taxed income			685				—				162
Change in valuation allowance			1,376				379				3,304
Return to provision			158				(693	)			(651	)
Nondeductible expenses / (tax deductions)			(327	)			989				(103	)
Gross receipts taxes			425				602				567
IP migration			(2,455	)			—				—
Other			59				181				337
Total		$	2,778			$	8,561			$	8,166

Components of Income before Provision

Income before provision for income taxes and losses on equity investments are:

		2023				2022				2021
Domestic		$	6,672			$	28,739			$	21,212
International			3,625				7,226				5,929
Total		$	10,297			$	35,965			$	27,141

Deferred Tax Assets and Liability

Temporary differences between the consolidated financial statements’ carrying amounts and tax bases of assets and liabilities that give rise to significant portions of the net deferred tax liability at December 31, 2023 and 2022 relate to the following:

		2023				2022
Deferred tax assets
Inventories		$	2,764			$	2,401
Program accrual			9,742				8,277
Vacation pay accrual			864				772
Accrued bonuses			37				1,707
Bad debt expense			2,143				1,450
Stock compensation			1,536				1,414
Domestic NOL carryforward			543				609
Foreign NOL carryforward			6,322				2,554
Tax credits			1,582				842
Lease liability			5,812				6,209
Accrued expenses			696				570
Unrealized foreign exchange loss			(1,182	)			3,220
Capitalized R&D costs			7,140				4,600
Deferred tax assets			37,999				34,625
Less valuation allowance			(3,317	)			(3,853	)
Deferred tax assets, net		$	34,682			$	30,772
Deferred tax liabilities
Plant and equipment, principally due to differences in depreciation and capitalized interest		$	32,336			$	36,158
Lease assets			5,617				6,079
Prepaid expenses			1,406				1,685
Deferred revenue			—				777
Other			366				529
Deferred tax liabilities		$	39,725			$	45,228
Total net deferred tax liabilities		$	5,043			$	14,456

Gross Unrecognized Tax Benefits

		2023				2022
Balance at beginning of year		$	2,006			$	2,426
Additions for tax positions related to the current year			230				225
Additions for tax positions related to the prior years			302				5
Reduction for tax positions related to the prior years			(799	)			(745	)
Effect of exchange rate changes			57				95
Balance at end of year		$	1,796			$	2,006

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