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Leases - Schedule of Equipment Under Lease (Details) - USD ($) $ in Thousands | Dec. 31, 2023 | Dec. 31, 2022
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Leases [Abstract] |  |
Equipment under lease | $ 16,969 | $ 14,771
Less accumulated depreciation | (9,510) | (8,455)
Equipment under lease, net | $ 7,459 | $ 6,316

X
- Definition Equipment under lease accumulated depreciation. + References No definition available. + Details
Name: | lnsr_EquipmentUnderLeaseAccumulatedDepreciation
Namespace Prefix: | lnsr_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Equipment under lease gross. + References No definition available. + Details
Name: | lnsr_EquipmentUnderLeaseGross
Namespace Prefix: | lnsr_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Equipment under lease, net. + References No definition available. + Details
Name: | lnsr_EquipmentUnderLeaseNet
Namespace Prefix: | lnsr_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

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