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Income Taxes (Tables)

12 Months Ended

Dec. 31, 2017

Income Tax Disclosure [Abstract]

Schedule Of Components Of Income Tax Expense

The components of our income (loss) before benefit for income taxes were as follows (in thousands):

	Year Ended December 31,
	2015				2016				2017
United States	$	11,236			$	3,087			$	(9,242	)
Foreign	435				885				972
Income (loss) before provision for income taxes	$	11,671			$	3,972			$	(8,270	)

Schedule Of Income Before Income Tax, Domestic And Foreign

The provision (benefit) for income taxes consisted of the following (in thousands):

	Year Ended December 31,
	2015				2016				2017
Current:
Federal	$	(584	)		$	(948	)		$	(275	)
State	(457		)		(214		)		(1,433		)
Foreign	97				178				179
Total current	(944		)		(984		)		(1,529		)
Deferred:
Federal	8,037				4,306				(28,161		)
State	644				361				(3,992		)
Foreign	(30		)		(15		)		(14		)
Total deferred	8,651				4,652				(32,167		)
Provision (benefit) for income taxes	$	7,707			$	3,668			$	(33,696	)

Schedule Of Effective Income Tax Rate Reconciliation

The following table provides a reconciliation of the federal statutory income tax rate to our effective tax rate:

	Year Ended December 31,
	2015			2016			2017
Tax provision (benefit) at U.S. statutory rate	35.0	%		35.0	%		35.0	%
State income taxes, net of federal benefit	10.5			14.1			31.7
Non-qualified stock option shortfalls (windfalls), net	15.2			23.0			1.9
Stock-based compensation	11.0			18.3			(9.7	)
Lobbying	2.6			8.9			(9.1	)
Research and development credits	(9.7	)		(20.4	)		(1.5	)
Tax reform - tax rate change	—			—			355.9
Foreign income tax and income inclusion	—			10.9			2.7
Other	1.4			2.4			0.7
Effective tax rate	66.0	%		92.2	%		407.6	%

Schedule Of Deferred Tax Assets And Liabilities

Deferred income taxes reflect the net tax effects of temporary differences between the carrying amounts of assets and liabilities for financial reporting purposes and the amounts used for income tax purposes, together with net operating loss and tax credit carry forwards. Significant components of our deferred tax assets were as follows (in thousands):

	December 31, 2016				December 31, 2017
Deferred tax assets:
Accruals and reserves	$	2,242			$	2,499
Stock-based compensation	2,960				2,443
Intangible assets	1,464				448
Net operating losses	9,337				12,055
Tax credits	4,399				3,569
Other	70				178
Total deferred tax assets	20,472				21,192
Deferred tax liabilities:
Commissions receivable	(93,538		)		(64,911		)
Intangible assets	(2,133		)		(1,083		)
Fixed assets	—				(55		)
Total deferred tax liabilities	(95,671		)		(66,049		)
Net deferred tax liabilities	$	(75,199	)		$	(44,857	)

Schedule Of Unrecognized Tax Benefits Roll Forward

A reconciliation of the beginning and ending amount of our unrecognized tax benefits is as follows (in thousands):

	Unrecognized Tax Benefits
Balance at December 31, 2014	$	6,756
Increases based on tax positions related to the prior year	344
Decreases based on tax positions related to the prior year	(24		)
Lapse of statute of limitations	(1,301		)
Additions based on tax positions related to the current year	409
Balance at December 31, 2015	$	6,184
Lapse of statute of limitations	(1,236		)
Additions based on tax positions related to the current year	305
Balance at December 31, 2016	5,253
Decreases based on tax positions related to the prior year	(862		)
Lapse of statute of limitations	(1,637		)
Additions based on tax positions related to the current year	342
Balance at December 31, 2017	$	3,096

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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.

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-Name Accounting Standards Codification
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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.

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Tabular disclosure of the change in unrecognized tax benefits.

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