Income Taxes (Tables)

12 Months Ended

Dec. 31, 2018

Income Tax Disclosure [Abstract]

Schedule of Income (loss) from Continuing Operations Before Income Taxes

“Income before income taxes” in the Consolidated Statements of Operations included the following components for the periods presented (in thousands):

	Years Ended December 31,
	2018		2017			2016
U.S.	$	28,840	$	7,115		$	23,928
Foreign		3,190		(3,853	)		4,890
Income before income taxes	$	32,030	$	3,262		$	28,818

Schedule of Income Tax Expense (Benefit)

“Income tax expense” in the Consolidated Statements of Operations consisted of the following for the periods presented (in thousands):

	Years Ended December 31,
	2018			2017			2016
Current
Federal	$	6,710		$	(1,941	)	$	7,008
State		1,772			323			950
Foreign		1,734			2,002			1,909
Total — Current		10,216			384			9,867
Deferred
Federal		(1,253	)		1,478			1,385
State		230			289			272
Foreign		64			(1,484	)		(367	)
Total — Deferred		(959	)		283			1,291
Income tax expense	$	9,257		$	667		$	11,158

Schedule of Provision for Income Taxes Federal Statutory Rate

The provision for income taxes differed from the amount computed by applying the U.S. federal statutory rate to “Income before income taxes” due to the effects of the following (dollars in thousands):

	Years Ended December 31,
	2018					2017					2016
Expected taxes at federal statutory tax rate	$	6,727		21.0	%	$	1,142		35.0	%	$	10,086		35.0	%
State income taxes, net of federal income tax benefit		1,441		4.5			166		5.1			1,091		3.8
Stock-based compensation		(532	)	(1.7	)		(2,476	)	(75.9	)		—		—
Remeasurement of deferred taxes		144		0.5			(1,870	)	(57.3	)		—		—
Deemed repatriation of foreign earnings, net of credits		173		0.5			669		20.5			—		—
Change in valuation allowance		745		2.3			1,049		32.2			(201	)	(0.7	)
Non-deductible business expenses		562		1.8			1,162		35.6			440		1.5
Foreign rate differential		356		1.1			725		22.2			(392	)	(1.4	)
Research tax credits		—		—			—		—			(57	)	(0.2	)
Change in unrecognized tax benefits		(120	)	(0.4	)		—		—			—		—
Other		(239	)	(0.7	)		100		3.0			191		0.7
Total	$	9,257		28.9	%	$	667		20.4	%	$	11,158		38.7	%

Schedule of Significant Components of Deferred Tax Assets and Liabilities

The significant components of deferred tax assets and liabilities were as follows (in thousands):

	At December 31,
	2018			2017
Deferred tax assets:
Accounts receivable	$	380		$	535
Inventories		73			194
Deferred revenue		230			279
Accrued expenses and reserves		5,942			2,642
Stock-based compensation		1,061			1,034
Tax credits and loss carryforwards		3,763			4,053
Other		16			6
Total gross deferred tax assets		11,465			8,743
Less: Valuation allowance		(2,981	)		(2,274	)
Total deferred tax assets		8,484			6,469
Deferred tax liabilities:
Property and equipment		(5,192	)		(4,154	)
Intangibles		(2,582	)		(1,659	)
Foreign employment tax subsidy		—			(517	)
Prepaid expenses		(648	)		(944	)
Other		(474	)		(538	)
Total deferred tax liabilities		(8,896	)		(7,812	)
Net deferred tax liabilities	$	(412	)	$	(1,343	)

Schedule of Unrecognized Tax Benefits

Activity relating to our unrecognized tax benefits were as follows (in thousands):

	Years Ended December 31,
	2018			2017		2016
Beginning balance	$	474		$	474	$	420
Additions to tax positions		—			—		54
Lapses in statutes of limitations		(134	)		—		—
Ending balance	$	340		$	474	$	474