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v3.25.2

Commitments and Contingencies - Additional Information (Detail) $ in Thousands | Jun. 30, 2025 USD ($)
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Presage License Agreement |
Purchase Commitment, Excluding Long-term Commitment [Line Items] |
Accrued payment for potential future payments | $ 0

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- Definition Accrued milestone payments. + References No definition available. + Details
Name: | lits_AccruedMilestonePayments
Namespace Prefix: | lits_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

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- 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 No definition available. + Details
Name: | us-gaap_PurchaseCommitmentExcludingLongtermCommitmentLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

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- Details
Name: | us-gaap_TypeOfArrangementAxis=lits_PresageLicenseAgreementMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |