XML 72 R60.htm IDEA: XBRL DOCUMENT v3.24.3

License Agreements (Details) - USD ($) $ in Thousands	Sep. 30, 2024	Oct. 03, 2023	Jul. 31, 2023	Dec. 31, 2015
Impilo
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]
Investment owned (in shares)			766,000
Sanford Burnham Prebys
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]
Shares held by third party (in shares)	0
Sanford Burnham Prebys | Impilo
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]
Investment owned (in shares)		191,500
Sanford Burnham Prebys | Collaborative Arrangement, Transaction with Party to Collaborative Arrangement
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]
Shares issued under license agreement (in shares)				382,030
Annual license maintenance fee				$ 10
Annual license maintenance fee, year seven				20
Potential milestone payments				$ 10,600
Royalties, net of sales				4.00%
Sublicensing fee				25.00%

X

- Definition

Collaborative Arrangement, Rights and Obligations, Annual License Maintenance Fee

+ References

No definition available.

+ Details

Name:	lsta_CollaborativeArrangementRightsAndObligationsAnnualLicenseMaintenanceFee
Namespace Prefix:	lsta_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

X

- Definition

Collaborative Arrangement, Rights and Obligations, Annual License Maintenance Fee Starting at Year Seven

+ References

No definition available.

+ Details

Name:	lsta_CollaborativeArrangementRightsAndObligationsAnnualLicenseMaintenanceFeeStartingAtYearSeven
Namespace Prefix:	lsta_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

X

- Definition

Collaborative Arrangement, Rights and Obligations, Maximum Aggregate Milestone Payments, Per Product

+ References

No definition available.

+ Details

Name:	lsta_CollaborativeArrangementRightsAndObligationsMaximumAggregateMilestonePaymentsPerProduct
Namespace Prefix:	lsta_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

X

- Definition

Collaborative Arrangement, Rights and Obligations, Royalties Net of Sales

+ References

No definition available.

+ Details

Name:	lsta_CollaborativeArrangementRightsAndObligationsRoyaltiesNetOfSales
Namespace Prefix:	lsta_
Data Type:	dtr-types1:percentItemType
Balance Type:	na
Period Type:	instant

X

- Definition

Collaborative Arrangement, Rights and Obligations, Sublicensing Fees

+ References

No definition available.

+ Details

Name:	lsta_CollaborativeArrangementRightsAndObligationsSublicensingFees
Namespace Prefix:	lsta_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	instant

X

- Definition

Shares Held by Third Party

+ References

No definition available.

+ Details

Name:	lsta_SharesHeldByThirdParty
Namespace Prefix:	lsta_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	instant

X

- Definition

Shares Issued Under License Agreement

+ References

No definition available.

+ Details

Name:	lsta_SharesIssuedUnderLicenseAgreement
Namespace Prefix:	lsta_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	instant

X

- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 808
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 1
-Subparagraph (d)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479402/808-10-50-1

+ Details

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

X

- Definition

Number of shares of investment owned.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 946
-SubTopic 210
-Name Accounting Standards Codification
-Section 50
-Paragraph 6
-Subparagraph (c)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147478795/946-210-50-6

Reference 2: http://www.xbrl.org/2003/role/exampleRef
-Topic 946
-SubTopic 210
-Name Accounting Standards Codification
-Section 55
-Paragraph 1
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147477439/946-210-55-1

Reference 3: http://www.xbrl.org/2003/role/disclosureRef
-Topic 946
-SubTopic 210
-Name Accounting Standards Codification
-Section 50
-Paragraph 1
-Subparagraph (a)(1)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147478795/946-210-50-1

Reference 4: http://www.xbrl.org/2003/role/disclosureRef
-Topic 946
-SubTopic 320
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.12-12(Column B))
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147477271/946-320-S99-1

Reference 5: http://www.xbrl.org/2003/role/disclosureRef
-Topic 946
-SubTopic 320
-Name Accounting Standards Codification
-Section S99
-Paragraph 3
-Subparagraph (SX 210.12-12B(Column B))
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147477271/946-320-S99-3

Reference 6: http://www.xbrl.org/2003/role/disclosureRef
-Topic 946
-SubTopic 320
-Name Accounting Standards Codification
-Section S99
-Paragraph 6
-Subparagraph (SX 210.12-14(Column B))
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147477271/946-320-S99-6

+ Details

Name:	us-gaap_InvestmentOwnedBalanceShares
Namespace Prefix:	us-gaap_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	instant

X

- Details

Name:	srt_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis=lsta_ImpiloMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	srt_CounterpartyNameAxis=lsta_SanfordBurnhamPrebysMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_TypeOfArrangementAxis=us-gaap_CollaborativeArrangementTransactionWithPartyToCollaborativeArrangementMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: