Income Tax Expense (Tables)

12 Months Ended

Dec. 31, 2015

Income Tax Disclosure [Abstract]

Schedule of Income before Income Tax, Domestic and Foreign

Net loss before income tax benefit attributable to U.S. and international operations, consists of the following:

	Year Ended December 31,
	2015			2014			2013
U.S.	$	(44,114	)	$	(9,799	)	$	(4,123	)
Foreign	(15,647		)	(22,681		)	(11,955		)
Net loss before income tax	$	(59,761	)	$	(32,480	)	$	(16,078	)

Schedule of Effective Income Tax Rate Reconciliation

Income tax (benefit) expense consists of the following:

	Year Ended December 31,
	2015			2014			2013
Current:
Federal	$	50		$	(20	)	$	51
State	100			181			138
Foreign	148			34			(300		)
Total current	$	298		$	195		$	(111	)
Deferred:
Federal	$	(8,621	)	$	(10	)	$	(116	)
State	(1,008		)	—			(16		)
Foreign	(6		)	(247		)	233
Total deferred	$	(9,635	)	$	(257	)	$	101
Total:
Federal	$	(8,571	)	$	(30	)	$	(65	)
State	(908		)	181			122
Foreign	142			(213		)	(67		)
Income tax benefit	$	(9,337	)	$	(62	)	$	(10	)

Schedule of Components of Income Tax Expense (Benefit)

Income tax benefit was computed by applying the U.S. federal statutory rate of 34% to net loss before taxes as follows:

	Year Ended December 31,
	2015			2014			2013
Income tax benefit at federal statutory rate	$	(20,315	)	$	(11,043	)	$	(5,467	)
State income tax expense (benefit), net of federal benefit	(937		)	(1,097		)	73
Meals and entertainment	328			279			298
Research and development credits	(1,756		)	(4,897		)	—
Stock-based compensation	1,633			1,161			546
Contingent consideration	34			(2,696		)	2,890
Foreign tax rate differential	1,013			1,418			656
Net change in valuation allowance	10,052			8,930			2,417
Return to provision true-up	583			593			(1,347		)
Unrecognized tax benefits	928			6,444			—
Other, net	(900		)	846			(76		)
Income tax benefit	$	(9,337	)	$	(62	)	$	(10	)

Schedule of Deferred Tax Assets and Liabilities

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

	Year Ended December 31,
	2015			2014
Deferred tax assets:
Net operating loss carryforwards	$	66,280		$	56,331
Accrued expenses	4,391			4,274
Tax credits	8,438			7,368
Bad debt	81			72
Inventory	2,307			2,121
Capitalized research and development	8,948			6,586
Deferred compensation	3,075			2,587
Other	1,659			—
Deferred tax asset	95,179			79,339
Valuation allowance	(67,172		)	(57,883		)
Total deferred tax assets	28,007			21,456
Deferred tax liabilities:
Developed technology and trademark	(14,645		)	(15,535		)
Trademarks and tradenames	(1,002		)	(1,043		)
Depreciation and amortization	(1,183		)	(2,077		)
Convertible debt	(12,056		)	(3,595		)
Other	—			(85		)
Total deferred tax liabilities	(28,886		)	(22,335		)
Net deferred tax liability	$	(879	)	$	(879	)

Schedule of Unrecognized Tax Benefits Roll Forward

The following is a tabular reconciliation of the total amounts of unrecognized tax benefits (in thousands):

	Year Ended December 31, 2015
Balance at January 1, 2015	$	7,808
Additions for tax positions related to prior periods	50
Decreases related to prior year tax positions	—
Lapse of statute of limitations	—
Additions for tax positions related to current period	1,070
Balance at December 31, 2015	$	8,928