XML 60 R40.htm IDEA: XBRL DOCUMENT v3.20.4

Income Taxes (Tables)

12 Months Ended

Dec. 31, 2020

Income Tax Disclosure [Abstract]

Component of Consolidated (Loss) Income Before Provision for Income Taxes

Consolidated (loss) income before provision for income taxes consisted of the following (in thousands):

		Year Ended December 31,
		2020				2019				2018
U.S.		$	(76,324	)		$	(154,605	)		$	(160,032	)
Non U.S.			1,084				2,005				1,133
Total		$	(75,240	)		$	(152,600	)		$	(158,899	)

Difference Between Consolidated Income Tax Benefit and Amount Computed by Federal Statutory Income Tax Rate

The difference between the consolidated income tax benefit and the amount computed by applying the federal statutory income tax rate to the consolidated loss before income taxes was as follows (in thousands):

		Year Ended December 31,
		2020				2019				2018
Income tax benefit at federal statutory rate		$	(15,756	)		$	(32,046	)		$	(33,366	)
State tax			(3,194	)			(3,153	)			(5,591	)
Business credits			(773	)			(1,757	)			(3,065	)
Uncertain tax positions			193				5,426				-
Deferred compensation charges			809				4,600				(1,165	)
Change in valuation allowance			19,009				22,715				43,134
Section 162(m) limitation			473				2,439				-
Mark-to-market of warrants			(866	)			1,575				-
Other			105				201				53
Total income tax expense		$	-			$	-			$	-

Component of Deferred Tax Assets and Liabilities

Deferred tax assets and liabilities consisted of the following (in thousands): 

		December 31,
		2020				2019
Deferred tax assets:
Net operating loss carry forwards		$	224,161			$	207,385
Research tax credit carry forwards			28,578				27,883
Accruals and reserves			17,264				17,312
Capitalized research costs			-				256
Other			3,250				2,437
Total deferred tax assets			273,253				255,273
Less valuation allowance			(266,100	)			(247,092	)
Net deferred tax assets			7,153				8,181
Deferred tax liabilities:
Fixed assets			(275	)			(275	)
Operating lease right-of-use assets			(6,878	)			(7,906	)
Total deferred tax liabilities			(7,153	)			(8,181	)
Net deferred tax assets		$	-			$	-

Schedule of Unrecognized Tax Benefits

The following table summarizes the activity related to our unrecognized tax benefits:

Balance at December 31, 2019		$	(10,322	)
Tax positions related to the current year
Additions			(243	)
Reductions			-
Tax positions related to the prior year
Additions			-
Reductions			-
Balance at December 31, 2020		$	(10,565	)

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 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://fasb.org/us-gaap/role/ref/legacyRef
-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://fasb.org/us-gaap/role/ref/legacyRef
-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 income before income tax between domestic and foreign jurisdictions.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 235
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.4-08.(h)(1)(i))
-URI http://asc.fasb.org/extlink&oid=120395691&loc=d3e23780-122690

+ Details

Name:	us-gaap_ScheduleOfIncomeBeforeIncomeTaxDomesticAndForeignTableTextBlock
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/exampleRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 740
-SubTopic 10
-Section 55
-Paragraph 217
-URI http://asc.fasb.org/extlink&oid=121610041&loc=d3e36027-109320

Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef
-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