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Income Taxes (Tables)

9 Months Ended

Sep. 30, 2019

Income Tax Disclosure [Abstract]

Schedule of federal tax rate and actual income tax expense reconciliation

The sources and tax effects of the differences are as follows:

	Nine Months Ended September 30,
	2019			2018
U.S. federal statutory tax rate	21.0	%		21.0	%
State income taxes, net of federal tax benefit	1.5			(0.1	)
General business credits	(2.0	)		(1.4	)
Employee stock-based compensation	(3.7	)		(16.1	)
IRC 162(m) limitation	1.9			2.7
Other	0.4			0.2
Effective tax rate	19.1	%		6.3	%

Schedule of income tax contingencies

The reconciliation of the beginning unrecognized tax benefits balance to the ending balance is as follows:

	Nine Months Ended September 30,
	2019				2018
	(In thousands)
Beginning balance	$	6,965			$	5,560
Increases related to positions taken during prior years	—				470
Increases related to positions taken during the current year	1,569				1,170
Decreases related to positions settled with tax authorities	—				—
Decreases as a result of a lapse of applicable statute of limitations	(456		)		(664		)
Ending balance	$	8,078			$	6,536
The total amount of unrecognized tax benefits that, if recognized, would affect the effective tax rate	$	8,023			$	6,536

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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

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 740
-SubTopic 10
-Section 50
-Paragraph 12
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Tabular disclosure for tax positions taken in the tax returns filed or to be filed for which it is more likely than not that the tax position will not be sustained upon examination by taxing authorities and other income tax contingencies. Includes, but is not limited to, interest and penalties, reconciliation of unrecognized tax benefits, unrecognized tax benefits that would affect the effective tax rate, tax years that remain subject to examination by tax jurisdictions, and information about positions for which it is reasonably possible that amounts unrecognized will significantly change within 12 months.

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-Name Accounting Standards Codification
-Topic 740
-SubTopic 10
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