XML 55 R45.htm IDEA: XBRL DOCUMENT
v3.24.1.u1

Fair Value of Financial Instruments - Summary of Financial Assets and Liability Measured at Fair Value (Details) - USD ($) | Mar. 31, 2024 | Dec. 31, 2023 | Mar. 31, 2023
--- | --- | --- | ---
Assets |  |  |
Total assets | $ 15,303,000 | $ 18,096,000 | $ 0
Liabilities |  |  |
Warrant derivative liabilities | 7,962,000 | 8,457,000 |
Total liabilities | 7,962,000 | 8,457,000 | $ 0
Money market funds |  |  |
Assets |  |  |
Total assets | 10,115,000 | 11,171,000 |
U.S. treasury bills |  |  |
Assets |  |  |
Total assets | 2,973,000 | 5,942,000 |
Certificates of deposit |  |  |
Assets |  |  |
Total assets | 1,226,000 | 983,000 |
U.S. government securities |  |  |
Assets |  |  |
Total assets | 489,000 |  |
U.S. government agency bonds |  |  |
Assets |  |  |
Total assets | 500,000 |  |
Level 1 |  |  |
Assets |  |  |
Total assets | 14,803,000 | 18,096,000 |
Level 1 | Money market funds |  |  |
Assets |  |  |
Total assets | 10,115,000 | 11,171,000 |
Level 1 | U.S. treasury bills |  |  |
Assets |  |  |
Total assets | 2,973,000 | 5,942,000 |
Level 1 | Certificates of deposit |  |  |
Assets |  |  |
Total assets | 1,226,000 | 983,000 |
Level 1 | U.S. government securities |  |  |
Assets |  |  |
Total assets | 489,000 |  |
Level 2 |  |  |
Assets |  |  |
Total assets | 500,000 |  |
Level 2 | U.S. government agency bonds |  |  |
Assets |  |  |
Total assets | 500,000 |  |
Level 3 |  |  |
Liabilities |  |  |
Warrant derivative liabilities | 7,962,000 | 8,457,000 |
Total liabilities | $ 7,962,000 | $ 8,457,000 |

X
- Definition Warrant derivative liabilities. + References No definition available. + Details
Name: | lnsr_WarrantDerivativeLiabilities
Namespace Prefix: | lnsr_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

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 -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org//1943274/2147482106/820-10-50-2 + 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
- Definition Fair value of financial and nonfinancial obligations. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org//1943274/2147482106/820-10-50-2 + Details
Name: | us-gaap_LiabilitiesFairValueDisclosure
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

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

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_USTreasuryBillSecuritiesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FairValueByAssetClassAxis=us-gaap_CertificatesOfDepositMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FairValueByAssetClassAxis=lnsr_USGovernmentSecuritiesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FairValueByAssetClassAxis=lnsr_USGovernmentAgencyBondsMember
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: |

X
- Details
Name: | us-gaap_FairValueByFairValueHierarchyLevelAxis=us-gaap_FairValueInputsLevel3Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |