XML 54 R35.htm IDEA: XBRL DOCUMENT v3.22.0.1

Summary of Significant Accounting Policies - Fair Value Measurements (Details) - USD ($) $ in Thousands	Dec. 31, 2021	Dec. 31, 2020
Assets:
Assets fair value	$ 58,342	$ 102,230
Cash equivalents | Money Market Funds
Assets:
Assets fair value	29,305	33,535
Cash equivalents | Commercial Paper
Assets:
Assets fair value	1,000	15,746
Cash equivalents | Corporate Debt Securities
Assets:
Assets fair value		1,351
Short-term Investments | Corporate Debt Securities
Assets:
Assets fair value	24,352	38,672
Short-term Investments | U.S. Government Agency Bonds
Assets:
Assets fair value		4,642
Short-term Investments | Asset-backed securities
Assets:
Assets fair value	3,685	8,284
Level 1
Assets:
Assets fair value	29,305	33,535
Level 1 | Cash equivalents | Money Market Funds
Assets:
Assets fair value	29,305	33,535
Level 2
Assets:
Assets fair value	29,037	68,695
Level 2 | Cash equivalents | Commercial Paper
Assets:
Assets fair value	1,000	15,746
Level 2 | Cash equivalents | Corporate Debt Securities
Assets:
Assets fair value		1,351
Level 2 | Short-term Investments | Corporate Debt Securities
Assets:
Assets fair value	24,352	38,672
Level 2 | Short-term Investments | U.S. Government Agency Bonds
Assets:
Assets fair value		4,642
Level 2 | Short-term Investments | Asset-backed securities
Assets:
Assets fair value	$ 3,685	$ 8,284

X

- Definition

Fair value portion of probable future economic benefits obtained or controlled by an entity as a result of past transactions or events.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 820
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=123874694&loc=d3e19207-110258

+ Details

Name:	us-gaap_AssetsFairValueDisclosure
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

X

- References

No definition available.

+ Details

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

X

- Details

Name:	us-gaap_InvestmentTypeAxis=us-gaap_CashAndCashEquivalentsMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_FairValueByAssetClassAxis=us-gaap_MoneyMarketFundsMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_FairValueByAssetClassAxis=us-gaap_CommercialPaperMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_FairValueByAssetClassAxis=us-gaap_CorporateDebtSecuritiesMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_InvestmentTypeAxis=us-gaap_ShortTermInvestmentsMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_FairValueByAssetClassAxis=us-gaap_USGovernmentAgenciesDebtSecuritiesMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_FairValueByAssetClassAxis=us-gaap_AssetBackedSecuritiesMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_FairValueByFairValueHierarchyLevelAxis=us-gaap_FairValueInputsLevel1Member
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_FairValueByFairValueHierarchyLevelAxis=us-gaap_FairValueInputsLevel2Member
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: