XML 40 R28.htm IDEA: XBRL DOCUMENT
v3.22.4

Summary of Significant Accounting Policies Concentration of Credit Risk (Details) | 12 Months Ended
--- | ---
Dec. 31, 2022 | Dec. 31, 2021 | Dec. 31, 2020
Accounting Policies [Abstract] |  |  |
Disclosure on Geographic Areas, Revenue from External Customers Attributed to Entity's Country of Domicile, Percent |  | 24.00% | 98.00%
Disclosure On Geographic Areas Revenue From External Customers Attributed to Germany | 100.00% | 76.00% |

X
- Definition Revenues from external customers attributed to the entity's country of domicile as a percentage of total revenue. + References No definition available. + Details
Name: | lxrx_DisclosureOnGeographicAreasRevenueFromExternalCustomersAttributedToEntitysCountryOfDomicilePercent
Namespace Prefix: | lxrx_
Data Type: | dtr-types:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Disclosure On Geographic Areas Revenue From External Customers Attributed to Germany + References No definition available. + Details
Name: | lxrx_DisclosureOnGeographicAreasRevenueFromExternalCustomersAttributedToGermany
Namespace Prefix: | lxrx_
Data Type: | dtr-types:percentItemType
Balance Type: | na
Period Type: | duration

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