Income Taxes (Tables)

12 Months Ended

Dec. 31, 2014

Schedule of Net Loss before Provision for Income Taxes

Our loss before provision for income taxes for the years ended December 31, 2014, 2013 and 2012 were as follows (in thousands):

	Year Ended December 31,
	2014		2013			2012
Domestic	$	60,451	$	75,279		$	396,549
International		224,185		(3,853	)		(472	)
Loss before income taxes	$	284,636	$	71,426		$	396,077

Components of Provision for Income Taxes

The components of the provision for income taxes for the years ended December 31, 2014, 2013 and 2012, consisted of the following (in thousands):

	Year Ended December 31,
	2014			2013		2012
Current:
Federal	$	—		$	—	$	—
State		257			178		23
Foreign		9,203			2,349		282
Total current		9,460			2,527		305
Deferred:
Federal		—			—		—
State		—			—		—
Foreign		(56	)		61		(169	)
Total deferred		(56	)		61		(169	)
Total provision for income taxes	$	9,404		$	2,588	$	136

Schedule of Deferred Tax Assets (Liabilities)

Deferred tax assets (liabilities) as of December 31, 2014 and 2013 consisted of the following (in thousands):

	December 31,			December 31,
	2014			2013
Deferred tax assets:
Net operating loss carry-forwards	$	276,916		$	341,172
Research and development credits		46,486			32,175
Other tax credits		12,750			166
Deferred revenue		75,823			42,491
Inventory and warranty reserves		53,546			23,260
Depreciation and amortization		68			68
Stock-based compensation		50,918			27,663
Convertible debt		45,118			22,930
Accruals and others		49,225			21,795
Total deferred tax assets		610,850			511,720
Valuation allowance		(524,394	)		(472,375	)
Deferred tax assets, net of valuation allowance		86,456			39,345
Deferred tax liabilities:
Depreciation and amortization		(86,298	)		(39,244	)
Total deferred tax liabilities		(86,298	)		(39,244	)
Deferred tax assets, net of valuation allowance and deferred tax liabilities	$	158		$	101

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, 2014, 2013 and 2012 is as follows (in thousands):

	Year Ended December 31,
	2014			2013			2012
Tax at statutory federal rate	$	(99,622	)	$	(25,001	)	$	(134,702	)
State tax, net of federal benefit		257			178			(12,580	)
Nondeductible expenses		15,238			733			9,897
Foreign income rate differential		86,734			(253	)		262
U.S. tax credits		(26,895	)		(6,682	)		(2,785	)
Other reconciling items		877			1,317			525
Change in valuation allowance		32,815			32,296			139,519
Provision for income taxes	$	9,404		$	2,588		$	136

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, 2014, 2013 and 2012 were as follows (in thousands):

December 31, 2011	$	17,430
Increases in balances related to tax positions taken during current year		640
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