Income Tax Expense (Tables)

12 Months Ended

Dec. 31, 2013

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,
	2013			2012			2011
U.S.	$	(4,123	)	$	(22,270	)	$	(26,062	)
Foreign	(11,955		)	(12,973		)	(2,754		)
Net income (loss) before income tax	$	(16,078	)	$	(35,243	)	$	(28,816	)

Schedule of Effective Income Tax Rate Reconciliation

Income tax expense (benefit) consists of the following:

	Year Ended December 31,
	2013			2012		2011
Current:
Federal	$	51		$	30	$	(148	)
State	138			176		27
Foreign	(300		)	319		35
Total current	$	(111	)	$	525	$	(86	)
Deferred:
Federal	$	(116	)	$	—	$	—
State	(16		)	—		—
Foreign	233			6		—
Total deferred	$	101		$	6	$	—
Total:
Federal	$	(65	)	$	30	$	(148	)
State	$	122		$	176	$	27
Foreign	$	(67	)	$	325	$	35
Income tax expense (benefit)	$	(10	)	$	531	$	(86	)

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,
	2013			2012			2011
Income tax benefit at federal statutory rate	$	(5,467	)	$	(11,983	)	$	(9,797	)
State income tax expenses net of federal benefit	73			116			18
Meals and entertainment	298			210			264
Research and development credits	—			—			(342		)
Stock-based compensation	546			382			421
Contingent consideration	2,890			4,658			3,570
Foreign tax rate differential	656			4,736			1,025
Net change in valuation allowance	2,417			2,244			4,097
Return to provision true-up	(1,347		)	—			—
Other, net	(76		)	168			658
Income tax expense (benefit)	$	(10	)	$	531		$	(86	)

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,
	2013			2012
Deferred tax assets:
Net operating loss carryforwards	$	53,247		$	54,389
Accrued expenses	846			711
Tax credits	8,590			8,400
Bad debt	131			183
Inventory	597			578
Capitalized research and development	3,740			—
Deferred compensation	3,043			2,364
Deferred tax assets	70,194			66,625
Valuation allowance	(49,793		)	(50,866		)
Total deferred tax assets	20,401			15,759
Deferred tax liabilities:
Developed technology and trademark	(14,997		)	(15,575		)
Trademarks and tradenames	(1,012		)	(1,029		)
Depreciation and amortization	(1,034		)	(101		)
Convertible debt	(4,116		)	—
Other	(377		)	(89		)
Total deferred tax liabilities	(21,536		)	(16,794		)
Net deferred tax liability	(1,135		)	(1,035		)

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, 2013
Balance at January 1, 2013	$	152
Additions for tax positions related to prior periods	4
Decreases related to prior year tax positions	(126		)
Lapse of statute of limitations	—
Balance at December 31, 2013	$	30