Income Taxes (Tables)

12 Months Ended

Dec. 31, 2015

Schedule of Net Loss before Provision for Income Taxes

Our loss before provision for income taxes for the years ended December 31, 2015, 2014 and 2013 were as follows (in thousands):

	Year Ended December 31,
	2015		2014		2013
Domestic	$	415,694	$	60,451	$	75,279
International		459,930		224,185		(3,853	)
Loss before income taxes	$	875,624	$	284,636	$	71,426

Components of Provision for Income Taxes

The components of the provision for income taxes for the years ended December 31, 2015, 2014 and 2013, consisted of the following (in thousands):

	Year Ended December 31,
	2015		2014			2013
Current:
Federal	$	—	$	—		$	—
State		525		257			178
Foreign		10,342		9,203			2,349
Total current		10,867		9,460			2,527
Deferred:
Federal		—		—			—
State		—		—			—
Foreign		2,172		(56	)		61
Total deferred		2,172		(56	)		61
Total provision for income taxes	$	13,039	$	9,404		$	2,588

Schedule of Deferred Tax Assets (Liabilities)

Deferred tax assets (liabilities) as of December 31, 2015 and 2014 consisted of the following (in thousands):

	December 31,			December 31,
	2015			2014
Deferred tax assets:
Net operating loss carry-forwards	$	447,824		$	276,916
Research and development credits		73,068			46,486
Other tax credits		30,079			12,750
Deferred revenue		111,559			75,823
Inventory and warranty reserves		60,663			53,546
Depreciation and amortization		66			68
Stock-based compensation		71,009			50,918
Convertible debt		35,073			45,118
Accruals and others		29,547			49,225
Total deferred tax assets		858,888			610,850
Valuation allowance		(668,419	)		(524,394	)
Deferred tax assets, net of valuation allowance		190,469			86,456
Deferred tax liabilities:
Depreciation and amortization		(188,240	)		(86,298	)
Other		(4,309	)		—
Total deferred tax liabilities		(192,549	)		(86,298	)
Deferred tax assets, net of valuation allowance and deferred tax liabilities	$	(2,080	)	$	158

Schedule of Reconciliation of Statutory Federal Income Taxes to Effective Taxes

Reconciliation of statutory federal income taxes to our effective taxes for the years ended December 31, 2015, 2014 and 2013 is as follows (in thousands):

	Year Ended December 31,
	2015			2014			2013
Tax at statutory federal rate	$	(306,470	)	$	(99,622	)	$	(25,001	)
State tax, net of federal benefit		525			257			178
Nondeductible expenses		16,711			15,238			733
Foreign income rate differential		172,259			86,734			(253	)
U.S. tax credits		(43,911	)		(26,895	)		(6,682	)
Other reconciling items		1,232			877			1,317
Change in valuation allowance		172,693			32,815			32,296
Provision for income taxes	$	13,039		$	9,404		$	2,588

Schedule of Aggregate Changes in Balance of Gross Unrecognized Tax Benefits

The aggregate changes in the balance of our gross unrecognized tax benefits during the years ended December 31, 2015, 2014 and 2013 were as follows (in thousands):

December 31, 2012		18,070
Decreases in balances related to prior year tax positions		(7,802	)
Increases in balances related to current year tax positions		3,102
December 31, 2013		13,370
Increase in balances related to prior year tax positions		56
Increases in balances related to current year tax positions		27,951
December 31, 2014		41,377
Increase in balances related to prior year tax positions		6,626
Increases in balances related to current year tax positions		51,124
December 31, 2015	$	99,127