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Income Taxes (Tables)

12 Months Ended

Dec. 31, 2018

Income Tax Disclosure [Abstract]

Schedule of Provision for Income Taxes

Our provisions for income taxes included current federal, foreign and state income tax expense, as well as deferred tax expense as follows (in thousands):

		Year Ended December 31,
		2018				2017				2016
Current
Federal		$	—			$	(184	)		$	3,684
State			1,103				258				555
Foreign			540				652				599
Deferred
Federal			3,011				10,262				(1,337	)
State			224				(291	)			(169	)
Foreign			(410	)			(355	)			(577	)
		$	4,468			$	10,342			$	2,755

Reconciliation of the Provision for Income Taxes to the Statutory Federal Rate

A reconciliation of the expected federal income tax at the statutory rate to the provision for income taxes was as follows (in thousands):

		Year Ended December 31,
		2018				2017				2016
Expected federal income tax at statutory rate		$	5,951			$	3,635			$	2,662
State income taxes, net of federal tax effect			1,293				417				284
Tax impact of foreign activity			57				(105	)			(115	)
Nondeductible executive compensation			902				530				159
Nondeductible expenses			351				268				213
Change in valuation allowance			(4	)			16				(35	)
Change in state deferred rate			38				(134	)			(67	)
Research and development credit			(1,843	)			(227	)			(261	)
Tax impact of Tax Cuts and Jobs Act			—				6,796				—
Tax impact of stock activity			(2,438	)			(925	)			—
Other			161				71				(85	)
Total provision for income taxes		$	4,468			$	10,342			$	2,755

Significant Components of Deferred Tax Assets (Liabilities)

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

		December 31,
		2018								2017
Deferred tax assets
Net operating loss and credit carryforwards		$	8,356							$	11,067
Stock-based compensation expense			3,647								4,273
Accounts receivable allowances			464								307
Accrued expenses			3,185								2,126
Other			180								182
Gross deferred tax asset							15,832								17,955
Less: valuation allowance			(797	)							(602	)
Total net deferred tax asset							15,035								17,353
Deferred tax liability
Deferred operations			(2,787	)							(3,850	)
Foreign operations			(135	)							(133	)
Depreciation and amortization			(2,943	)							(1,536	)
Other			(90	)							(24	)
Total deferred tax liability							(5,955	)							(5,543	)
Net deferred tax assets						$	9,080							$	11,810

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- Definition

Tabular disclosure of the components of income tax expense attributable to continuing operations for each year presented including, but not limited to: current tax expense (benefit), deferred tax expense (benefit), investment tax credits, government grants, the benefits of operating loss carryforwards, tax expense that results from allocating certain tax benefits either directly to contributed capital or to reduce goodwill or other noncurrent intangible assets of an acquired entity, adjustments of a deferred tax liability or asset for enacted changes in tax laws or rates or a change in the tax status of the entity, and adjustments of the beginning-of-the-year balances of a valuation allowance because of a change in circumstances that causes a change in judgment about the realizability of the related deferred tax asset in future years.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 740
-SubTopic 10
-Section 50
-Paragraph 9
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Tabular disclosure of the components of net deferred tax asset or liability recognized in an entity's statement of financial position, including the following: the total of all deferred tax liabilities, the total of all deferred tax assets, the total valuation allowance recognized for deferred tax assets.

+ References

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 740
-SubTopic 10
-Section 50
-Paragraph 2
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Tabular disclosure of the reconciliation using percentage or dollar amounts of the reported amount of income tax expense attributable to continuing operations for the year to the amount of income tax expense that would result from applying domestic federal statutory tax rates to pretax income from continuing operations.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 740
-SubTopic 10
-Section 50
-Paragraph 12
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