XML 86 R33.htm IDEA: XBRL DOCUMENT v3.8.0.1

Income Taxes (Tables)

12 Months Ended

Dec. 31, 2017

Income Tax Disclosure [Abstract]

Schedule of Components of Loss Before Income Taxes

The components of loss before income taxes are as follows (in thousands):

		Years Ended December 31,
		2017				2016				2015
Domestic		$	(101,234	)		$	(38,156	)		$	(66,411	)
Foreign			(24,648	)			(23,595	)			(19,126	)
Loss before provision for income taxes		$	(125,882	)		$	(61,751	)		$	(85,537	)

Schedule of Components of Provision For (Benefit From) Income Taxes

The provision for (benefit from) income taxes consists of the following (in thousands):

		Years Ended December 31,
		2017				2016				2015
Current:
Federal		$	—			$	—			$	—
State			2				2				2
Foreign			319				139				240
Total current		$	321			$	141			$	242
Deferred:
Federal		$	—			$	(212	)		$	—
State			—				—				—
Foreign			—				—				—
Total deferred		$	—			$	(212	)		$	—
Total provision for (benefit from) income taxes		$	321			$	(71	)		$	242

Schedule of Reconciliation Between Statutory Federal Income Tax Rate and Effective Tax Rate

The following is the reconciliation between the statutory federal income tax rate and the Company’s effective tax rate:

	Years Ended December 31,
	2017				2016				2015
Tax at statutory federal rate		34.0	%			34.0	%			34.0	%
State tax		—	%			—	%			—	%
Stock-based compensation expense		18.5	%			(7.9	)%			(4.6	)%
Change in deferred tax assets due to rate change		43.9	%			—	%			—	%
Change in valuation allowance due to rate change		(43.9	)%			—	%			—	%
Net operating losses not benefitted		(43.8	)%			(12.9	)%			(21.7	)%
Foreign net operating losses benefitted		(6.7	)%			(13.0	)%			(7.6	)%
Orphan drug credit		(2.0	)%			—	%			—	%
Other		(0.3	)%			(0.1	)%			(0.4	)%
Total		(0.3	)%			0.1	%			(0.3	)%

Schedule of Significant Components of Deferred Tax Assets

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

		December 31,
		2017				2016
Federal and state net operating loss carryforwards		$	71,256			$	42,900
Tax credit carryforwards			39,488				29,846
Foreign net operating loss carryforwards			15,052				11,704
Stock-based compensation			7,835				11,231
Lease obligations			2,737				4,414
Reserves and accruals			4,851				5,465
Deferred revenue			18,103				22,909
Other			420				741
Subtotal			159,742				129,210
Less: Valuation allowance			(159,540	)			(128,995	)
Net deferred tax assets			202				215
Fixed assets			(181	)			(122	)
Other			(21	)			(93	)
Net deferred tax liabilities			(202	)			(215	)
Total net deferred tax assets		$	—			$	—

Schedule of Reconciliation of the Beginning and Ending Amounts of Unrecognized Income Tax Benefits

A reconciliation of the beginning and ending amounts of unrecognized income tax benefits during the three years ended December 31, 2017 is as follows (in thousands):

		Federal and State
Balance as of December 31, 2014		$	19,122
Decrease due to prior positions			(2,382	)
Increase due to current year position			7,473
Balance as of December 31, 2015			24,213
Decrease due to prior positions			(7,109	)
Increase due to current year position			2,550
Balance as of December 31, 2016			19,654
Increase due to prior positions			303
Increase due to current year position			5,448
Decrease due to U.S. tax rate change			(2,044	)
Balance as of December 31, 2017		$	23,361

X

- Definition

Schedule of income loss before income tax domestic and foreign.

+ References

No definition available.

+ Details

Name:	fgen_ScheduleOfIncomeLossBeforeIncomeTaxDomesticAndForeignTableTextBlock
Namespace Prefix:	fgen_
Data Type:	nonnum:textBlockItemType
Balance Type:	na
Period Type:	duration

X

- References

No definition available.

+ Details

Name:	us-gaap_IncomeTaxDisclosureAbstract
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Tabular disclosure of the components of income tax expense attributable to continuing operations for each year presented including, but not limited to: current tax expense (benefit), deferred tax expense (benefit), investment tax credits, government grants, the benefits of operating loss carryforwards, tax expense that results from allocating certain tax benefits either directly to contributed capital or to reduce goodwill or other noncurrent intangible assets of an acquired entity, adjustments of a deferred tax liability or asset for enacted changes in tax laws or rates or a change in the tax status of the entity, and adjustments of the beginning-of-the-year balances of a valuation allowance because of a change in circumstances that causes a change in judgment about the realizability of the related deferred tax asset in future years.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 740
-SubTopic 10
-Section 50
-Paragraph 9
-URI http://asc.fasb.org/extlink&oid=84230637&loc=d3e32639-109319

+ Details

Name:	us-gaap_ScheduleOfComponentsOfIncomeTaxExpenseBenefitTableTextBlock
Namespace Prefix:	us-gaap_
Data Type:	nonnum:textBlockItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Tabular disclosure of the components of net deferred tax asset or liability recognized in an entity's statement of financial position, including the following: the total of all deferred tax liabilities, the total of all deferred tax assets, the total valuation allowance recognized for deferred tax assets.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 740
-SubTopic 10
-Section 50
-Paragraph 2
-URI http://asc.fasb.org/extlink&oid=84230637&loc=d3e32537-109319

+ Details

Name:	us-gaap_ScheduleOfDeferredTaxAssetsAndLiabilitiesTableTextBlock
Namespace Prefix:	us-gaap_
Data Type:	nonnum:textBlockItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Tabular disclosure of the reconciliation using percentage or dollar amounts of the reported amount of income tax expense attributable to continuing operations for the year to the amount of income tax expense that would result from applying domestic federal statutory tax rates to pretax income from continuing operations.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 740
-SubTopic 10
-Section 50
-Paragraph 12
-URI http://asc.fasb.org/extlink&oid=84230637&loc=d3e32687-109319

+ Details

Name:	us-gaap_ScheduleOfEffectiveIncomeTaxRateReconciliationTableTextBlock
Namespace Prefix:	us-gaap_
Data Type:	nonnum:textBlockItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Tabular disclosure of the change in unrecognized tax benefits.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 740
-SubTopic 10
-Section 55
-Paragraph 217
-URI http://asc.fasb.org/extlink&oid=96868398&loc=d3e36027-109320

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 740
-SubTopic 10
-Section 50
-Paragraph 15A
-URI http://asc.fasb.org/extlink&oid=84230637&loc=SL6600010-109319

+ Details

Name:	us-gaap_ScheduleOfUnrecognizedTaxBenefitsRollForwardTableTextBlock
Namespace Prefix:	us-gaap_
Data Type:	nonnum:textBlockItemType
Balance Type:	na
Period Type:	duration