Income Taxes (Tables)

12 Months Ended

Dec. 31, 2019

Income Tax Disclosure [Abstract]

Schedule of components of income tax expense (benefit)

	Current		Deferred		Total
Year ended December 31, 2019
U.S. Federal	$	—	$	—	$	—
State and local		716	$	104	$	820
Foreign		1,081		(33)		1,048
	$	1,797	$	71	$	1,868
Year ended December 31, 2018
U.S. Federal	$	(12)	$	(12,664)	$	(12,676)
State and local		183	$	(471)	$	(288)
Foreign		731		—		731
	$	902	$	(13,135)	$	(12,233)
Year ended December 31, 2017
U.S. Federal  (a)	$	(780)	$	(3,986)	$	(4,766)
State and local		550		(180)		370
Foreign		(145)		—		(145)
	$	(375)	$	(4,166)	$	(4,541)

(a) Includes a $5.9 million net benefit recorded in the fourth quarter of 2017 resulting from the enactment of the Act on December 22, 2017.

Schedule of effective income tax reconciliation

	2019			2018			2017
Statutory amount (computed at 21% in 2019 and 2018 and 35% in 2017)	$	(733)		$	(22,398)		$	(1,449)
Re-measurement of deferred tax assets (a)		—			—			(7,451)
Valuation allowance on foreign tax credits (a)		1,081			593			1,514
State income tax, net of federal benefit		991			(1,922)			168
Permanent differences, other		461			1,550			505
Permanent differences, incentive stock options		311			(24)			447
Valuation allowance, other		(166)			10,384			(77)
Uncertain tax provision		—			—			1,614
Other		(77)			(416)			188
Consolidated income tax provision	$	1,868		$	(12,233)		$	(4,541)
Consolidated effective tax rate		(53.5)	%		11.5	%		109.7	%

(a) In 2017, represents impact resulting from the enactment of the Act on December 22, 2017.

Schedule of deferred tax assets and liabilities

	Long Term
	As of December 31,
	2019		2018
Assets related to:
Accrued liabilities	$	1,030	$	1,105
Intangible assets		3,020		3,054
Net operating loss carryforward		15,246		15,970
Non-qualified stock options		586		672
Foreign tax credits		2,570		1,489
Goodwill		7,232		8,200
Leases		9,038		—
Other		1,347		2,684
Total gross deferred tax assets		40,069		33,174
Less valuation allowance		(16,960)		(15,815)
Total net deferred tax assets		23,109		17,359
Liabilities related to:
Depreciation and amortization		(22,634)		(16,974)
Other		(595)		(434)
Total deferred tax liabilities		(23,229)		(17,408)
Net deferred tax liabilities	$	(120)	$	(49)

Schedule of Unrecognized tax benefits

	2019		2018
Balances at beginning of the year	$	1,614	$	1,614
Additions based on tax position related to current year		—		—
Additions based on tax positions related to prior years		—		—
Reductions based on tax positions related to current year		—		—
Reductions based on tax positions related to prior years		—		—
Settlements with tax authorities		—		—
Lapse of statute of limitations		—		—
Balance at the end of year	$	1,614	$	1,614