Income Taxes (Tables)

12 Months Ended

Dec. 31, 2018

Income Tax Disclosure [Abstract]

Schedule of Income (Loss) Before Income Tax Expense (Benefit)

Income (loss) before income tax (benefit) expense consists of the following:

	Years ended December 31,
	2018			2017		2016
Domestic	$	(1,723	)	$	2,468	$	(1,527	)
Foreign	6,281			3,359		14,153
Income before income taxes	$	4,558		$	5,827	$	12,626

Schedule of Components of Income Tax Expense (Benefit)

The components of the income tax (benefit) expense for income taxes are as follows:

	Years ended December 31,
	2018			2017			2016
Current:
Federal	$	(1,694	)	$	18,951		$	409
State	120			507			40
Foreign	1,394			2,072			3,482
Current income tax (benefit) expense	(180		)	21,530			3,931
Deferred:
Federal	(486		)	1,038			(2,357		)
State	(153		)	(580		)	(229		)
Foreign	447			(1,645		)	174
Deferred income tax benefit	(192		)	(1,187		)	(2,412		)
Income tax (benefit) expense	$	(372	)	$	20,343		$	1,519

Reconciliation of Income Tax Expense (Benefit)

Reconciliations of the income tax expense at the U.S. federal statutory income tax rate compared to our actual income tax (benefit) expense are summarized below:

	Years ended December 31,
	2018			2017			2016
Tax expense at statutory rate	$	956		$	1,981		$	4,427
State income taxes, net of federal benefit	(195		)	81			(50		)
Foreign tax rate difference	(1,003		)	(2,057		)	(1,939		)
Research and development credit	(919		)	(1,037		)	(917		)
Change in valuation allowance	464			678			162
Equity based compensation	(198		)	33			(255		)
Manufacturing credit	—			(191		)	(61		)
Permanent impact of non-deductible cost	1,120			766			412
Provision to return adjustments	345			777			(61		)
Impact of Tax Cuts and Jobs Act of 2017	(1,000		)	19,355			—
Other	58			(43		)	(199		)
Income tax (benefit) expense	$	(372	)	$	20,343		$	1,519

Schedule of Components of Net Deferred Income Tax Assets and Liabilities

The components of our net deferred income tax asset and liabilities are as follows:

	As of December 31,
	2018			2017
Net deferred income tax asset - Non-current
Warranty cost	$	533		$	695
Inventory reserve	1,559			419
Unearned service revenue	6,684			5,364
Employee stock options	4,222			4,366
Tax Credits	485			1,785
Loss carryforwards	7,038			8,782
Other, net	759			1,479
Total deferred tax assets	21,280			22,890
Valuation Allowance	(1,924		)	(1,631		)
Total deferred tax assets net of valuation allowance	19,356			21,259
Net deferred income tax liability - Non-current
Bad debt reserve	(116		)	(2		)
Depreciation	(2,996		)	(3,675		)
Goodwill	(1,612		)	(1,574		)
Intangible assets	(649		)	(1,097		)
Total deferred tax liabilities	(5,373		)	(6,348		)
Net deferred tax assets	$	13,983		$	14,911

Summary of Income Tax Examinations

The table below summarizes the open tax years and ongoing tax examinations in major jurisdictions as of December 31, 2018:

Jurisdiction	Open Years	Examination in Process
United States - Federal Income Tax	2015-2018	N/A
United States - various states	2014-2018	N/A
Germany	2014-2018	N/A
Switzerland	2018	N/A
Singapore	2014-2018	N/A