Income Tax Expense (Tables)

12 Months Ended

Dec. 31, 2014

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,
	2014			2013			2012
U.S.	$	(9,799	)	$	(4,123	)	$	(22,270	)
Foreign	(22,681		)	(11,955		)	(12,973		)
Net income (loss) before income tax	$	(32,480	)	$	(16,078	)	$	(35,243	)

Schedule of Effective Income Tax Rate Reconciliation

Income tax (benefit) expense consists of the following:

	Year Ended December 31,
	2014			2013			2012
Current:
Federal	$	(20	)	$	51		$	30
State	181			138			176
Foreign	34			(300		)	319
Total current	$	195		$	(111	)	$	525
Deferred:
Federal	$	(10	)	$	(116	)	$	—
State	—			(16		)	—
Foreign	(247		)	233			6
Total deferred	$	(257	)	$	101		$	6
Total:
Federal	$	(30	)	$	(65	)	$	30
State	$	181		$	122		$	176
Foreign	$	(213	)	$	(67	)	$	325
Income tax (benefit) expense	$	(62	)	$	(10	)	$	531

Schedule of Components of Income Tax Expense (Benefit)

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

	Year Ended December 31,
	2014			2013			2012
Income tax benefit at federal statutory rate	$	(11,043	)	$	(5,467	)	$	(11,983	)
State income tax expenses, net of federal benefit	(1,097		)	73			116
Meals and entertainment	279			298			210
Research and development credits	(4,897		)	—			—
Stock-based compensation	1,161			546			382
Contingent consideration	(2,696		)	2,890			4,658
Foreign tax rate differential	1,418			656			4,736
Net change in valuation allowance	8,930			2,417			2,244
Return to provision true-up	593			(1,347		)	—
Unrecognized tax benefits	6,444			—			—
Other, net	846			(76		)	168
Income tax (benefit) expense	$	(62	)	$	(10	)	$	531

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,
	2014			2013
Deferred tax assets:
Net operating loss carryforwards	$	56,331		$	53,247
Accrued expenses	4,274			846
Tax credits	7,368			8,590
Bad debt	72			131
Inventory	2,121			597
Capitalized research and development	3,874			3,740
Deferred compensation	2,587			3,043
Depreciation and amortization	635			—
Deferred tax asset	77,262			70,194
Valuation allowance	(57,883		)	(49,793		)
Total deferred tax assets	19,379			20,401
Deferred tax liabilities:
Developed technology and trademark	(15,535		)	(14,997		)
Trademarks and tradenames	(1,043		)	(1,012		)
Depreciation and amortization	—			(1,034		)
Convertible debt	(3,595		)	(4,116		)
Other	(85		)	(377		)
Total deferred tax liabilities	(20,258		)	(21,536		)
Net deferred tax liability	$	(879	)	$	(1,135	)

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, 2014
Balance at January 1, 2014	$	30
Additions for tax positions related to prior periods	6,788
Decreases related to prior year tax positions	(30		)
Lapse of statute of limitations	—
Additions for tax positions related to current period	1,020
Balance at December 31, 2014	$	7,808