Income Taxes (Tables)

12 Months Ended

Dec. 31, 2015

Schedule of Income before Income Tax, Domestic and Foreign

The following is a geographical breakdown of income before the provision for income taxes:



	Year Ended
	December 31, 2015			December 31, 2014		December 31, 2013
	(In thousands)
Domestic	$	51,089		$	48,327	$	34,678
Foreign	(4,845		)	177		351
Income before provision for income taxes	$	46,244		$	48,504	$	35,029

Schedule of Components of Income Tax Expense (Benefit)

The provision for income taxes consists of the following:



	Year Ended
	December 31, 2015			December 31, 2014			December 31, 2013
	(In thousands)
Current:
Federal	$	13,840		$	14,063		$	8,218
State	2,475			2,274			1,621
Foreign	203			192			447
Total current income taxes	16,518			16,529			10,286
Deferred:
Federal	846			1,603			1,287
State	(379		)	84			(263		)
Foreign	(1,501		)	(230		)	(260		)
Total deferred income taxes	(1,034		)	1,457			764
Total provision for income taxes	$	15,484		$	17,986		$	11,050

Schedule of Effective Income Tax Rate Reconciliation

The provision for income taxes differs from the amount computed by applying the statutory federal tax rate as follows:



	Year Ended
	December 31, 2015			December 31, 2014			December 31, 2013
	(In thousands)
U.S. federal tax provision at statutory rate	$	16,181		$	16,998		$	12,260
State taxes	1,365			1,533			883
Non-deductible expenses	551			809			297
Acquisition costs	239			229			—
Share-based compensation expense	748			461			407
Research tax credits	(1,324		)	(818		)	(1,430		)
Domestic production deduction	(1,133		)	(1,127		)	(816		)
Gain on investment	(1,205		)	—			—
Other	62			(99		)	(551		)
Total provision for income taxes	$	15,484		$	17,986		$	11,050

Schedule of Deferred Tax Assets and Liabilities

Significant components of the Company's deferred tax assets (liabilities) are as follows:



	December 31, 2015			December 31, 2014
	(In thousands)
Deferred tax assets (liabilities):
Deferred revenue	$	14,020		$	12,639
Stock compensation	6,034			6,287
Inventory related items	2,541			2,713
Tax credit carry forwards	2,579			2,168
Reserves and accruals	—			327
Loss carry forwards	667			12
Other, net	697			—
Total net deferred tax assets	26,538			24,146

Intangibles	(28,213		)	(26,485		)
Depreciation and amortization	(17,185		)	(14,331		)
Reserves and accruals	(601		)	—
Other, net	—			(194		)
Total deferred tax liabilities	(45,999		)	(41,010		)

Net deferred tax liabilities	$	(19,461	)	$	(16,864	)

Schedule of Unrecognized Tax Benefits

The aggregate change in the balance of gross unrecognized tax benefits, which excludes interest and penalties, for the three years ended December 31, 2015 is as follows:



	(In thousands)
Year Ended December 31, 2012	$	6,915
Increases related to tax positions taken during a prior period	406
Decreases related to tax positions taken during the prior period	(79		)
Increases related to tax positions taken during the current period	764
Decreases related to settlements	—
Decreases related to expiration of statute of limitations	(32		)
Year Ended December 31, 2013	7,974
Increases related to tax positions taken during a prior period	63
Decreases related to tax positions taken during the prior period	(89		)
Increases related to tax positions taken during the current period	801
Decreases related to settlements	—
Decreases related to expiration of statute of limitations	(264		)
Year Ended December 31, 2014	8,485
Increases related to tax positions taken during a prior period	37
Decreases related to tax positions taken during the prior period	(895		)
Increases related to tax positions taken during the current period	1,807
Decreases related to settlements	—
Decreases related to expiration of statute of limitations	(284		)
Year Ended December 31, 2015	$	9,150