Income Taxes (Tables)

12 Months Ended

Dec. 31, 2021

Income Tax Disclosure [Abstract]

Provisions for Income Taxes

The provisions for income taxes are:

	2021			2020			2019
Current:
Federal	$	6,684		$	(1,197	)	$	(235	)
State		2,149			(3	)		(151	)
Foreign		1,106			2,831			2,956
Deferred:
Federal		(2,369	)		2,177			2,867
State		(1,039	)		403			1,548
Foreign		1,635			(1,131	)		(1,783	)
Total	$	8,166		$	3,080		$	5,202

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:

	2021			2020			2019
Computed tax expense at statutory federal rates	$	5,619		$	3,874		$	3,993
Increase (decrease) in taxes resulting from:
State taxes, net of federal income tax benefit		1,485			559			1,131
Unrecognized tax benefits		(1,783	)		(2,092	)		263
Bargain purchase gain on business acquisition		(35	)		(978	)		—
Income tax credits		(1,206	)		(812	)		(819	)
Foreign tax rate differential		262			2,145			341
Stock based compensation		208			377			366
Global intangible low-taxed income		162			—			249
Change in valuation allowance		3,304			—			—
Other		150			7			(322	)
Total	$	8,166		$	3,080		$	5,202

Components of Income before Provision

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

	2021		2020		2019
Domestic	$	21,212	$	11,858	$	15,465
International		5,929		6,589		3,547
Total	$	27,141	$	18,447	$	19,012

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, 2021 and 2020 relate to the following:

	2021			2020
Deferred tax asset
Inventories	$	1,777		$	1,416
Program accrual		9,098			7,306
Vacation pay accrual		792			815
Accrued bonuses		1,250			589
Bad debt expense		1,361			952
Stock compensation		1,532			2,079
Domestic NOL carryforward		675			708
Foreign NOL carryforward		1,718			1,434
Tax credits		807			931
Lease liability		6,718			3,378
Accrued expenses		723			347
Unrealized foreign exchange loss		3,847			2,798
Other		744			735
Deferred tax asset	$	31,042		$	23,488
Less valuation allowance		(4,262	)		—
Deferred tax asset, net	$	26,780		$	23,488
Deferred tax liability
Plant and equipment, principally due to differences in            depreciation and capitalized interest	$	37,113		$	36,878
Lease assets		6,600			3,332
Prepaid expenses		1,666			1,508
Deferred revenue		1,014			874
Other		123			1,692
Deferred tax liability	$	46,516		$	44,284
Total net deferred tax liability	$	19,736		$	20,796

Gross Unrecognized Tax Benefits

The following is a roll-forward of the Company’s total gross unrecognized tax benefits, not including interest and penalties, for the years ended December 31, 2021 and 2020 included in other liabilities, excluding current installments on the Company’s consolidated balance sheets:

	2021			2020
Balance at beginning of year	$	3,222		$	4,395
Additions for tax positions related to the current year		223			159
Additions for tax positions related to the prior years		56			16
Reduction for tax positions related to the prior years		(971	)		(841	)
Effect of exchange rate changes		(104	)		(507	)
Balance at end of year	$	2,426		$	3,222