Income Tax Expense (Tables)

12 Months Ended

Dec. 31, 2016

Income Tax Disclosure [Abstract]

Schedule of Net Loss Before Income Tax Benefit

Net loss before income tax benefit attributable to United States and international operations, consists of the following:

	Year Ended December 31,
	2016			2015			2014
United States	$	(135,925	)	$	(44,114	)	$	(9,799	)
Foreign	(18,254		)	(15,647		)	(22,681		)
Net loss before income tax	$	(154,179	)	$	(59,761	)	$	(32,480	)

Schedule of Income Tax (Benefit) Expense

Income tax (benefit) expense consists of the following:

	Year Ended December 31,
	2016			2015			2014
Current:
Federal	$	(50	)	$	50		$	(20	)
State	90			100			181
Foreign	458			148			24
Total current	$	498		$	298		$	185
Deferred:
Federal	$	—		$	(8,621	)	$	(10	)
State	—			(1,008		)	—
Foreign	—			(6		)	(237		)
Total deferred	$	—		$	(9,635	)	$	(247	)
Total:
Federal	$	(50	)	$	(8,571	)	$	(30	)
State	90			(908		)	181
Foreign	458			142			(213		)
Income tax expense (benefit)	$	498		$	(9,337	)	$	(62	)

Schedule of Income Tax Benefit Computation

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

	Year Ended December 31,
	2016			2015			2014
Income tax benefit at federal statutory rate	$	(52,418	)	$	(20,315	)	$	(11,043	)
State income tax expense (benefit), net of federal benefit	(2,323		)	(937		)	(1,097		)
Meals and entertainment	445			328			279
Research and development credits	(2,041		)	(1,756		)	(4,897		)
Stock-based compensation	2,604			1,633			1,161
Derivative gain/loss	14,903			—			—
Contingent consideration	(850		)	34			(2,696		)
Foreign tax rate differential	1,394			1,013			1,418
Net change in valuation allowance	35,678			10,052			8,930
Return to provision true-up	1,981			583			593
Unrecognized tax benefits	971			928			6,444
Other, net	154			(900		)	846
Income tax benefit	$	498		$	(9,337	)	$	(62	)

Schedule of Components of Deferred Tax Assets and Liabilities

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

	Year Ended December 31,
	2016			2015
Deferred tax assets:
Net operating loss carryforwards	$	124,881		$	66,280
Accrued expenses	6,582			4,391
Tax credits	11,314			8,438
Bad debt	91			81
Inventory	4,424			2,307
Capitalized research and development	21,374			8,948
Deferred compensation	3,596			3,075
Other	964			1,659
Deferred tax asset	173,226			95,179
Valuation allowance	(133,784		)	(67,172		)
Total deferred tax assets	39,442			28,007
Deferred tax liabilities:
Developed technology and trademark	(14,218		)	(14,645		)
Trademarks and tradenames	(1,027		)	(1,002		)
Depreciation and amortization	(15,316		)	(1,183		)
Convertible debt	(9,760		)	(12,056		)
Other	—			—
Total deferred tax liabilities	(40,321		)	(28,886		)
Net deferred tax liability	$	(879	)	$	(879	)

Schedule of Reconciliation of Unrecognized Tax Benefits

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

	Year Ended December 31, 2016			Year Ended December 31, 2015
Balance at January 1, 2016	$	8,928		$	7,808
Additions for tax positions related to prior periods	1,654			50
Decreases related to prior year tax positions	(95		)	—
Lapse of statute of limitations	—			—
Additions for tax positions related to current period	1,267			1,070
Balance at December 31, 2016	$	11,754		$	8,928