XML 85 R51.htm IDEA: XBRL DOCUMENT
v2.4.0.6

Summary of Significant Accounting Policies Segment Information and Signficant Customers (Details) | 12 Months Ended
--- | ---
Dec. 31, 2012 | Dec. 31, 2011 | Dec. 31, 2010
Revenue, Major Customer [Line Items] |  |  |
Entity-Wide Revenue, Taconic Farms, Percentage | 68.00% | 46.00% | 35.00%
Entity-Wide Revenue, Deltagen, Percentage | 25.00% |  |
Entity-Wide Revenue, Texas AM Institute for Genomic Medicine, Percentage |  | 20.00% |
Entity-Wide Revenue, United States Army Medical Research Acquisition Activity, Percentage |  | 20.00% | 23.00%

X
- Definition Percentage of revenue generated from Deltagen, Inc. that accounts for 10 percent or more of an entity’s revenues. + References No definition available. + Details
Name: | lxrx_EntityWideRevenueDeltagenPercentage
Namespace Prefix: | lxrx_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Percentage of revenue generated from Taconic Farms, Inc. that accounts for 10 percent or more of an entity’s revenues. + References No definition available. + Details
Name: | lxrx_EntityWideRevenueTaconicFarmsPercentage
Namespace Prefix: | lxrx_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Percentage of revenue generated from Texas A&M Institute for Genomic Medicine that accounts for 10 percent or more of an entity’s revenues. + References No definition available. + Details
Name: | lxrx_EntityWideRevenueTexasAmInstituteForGenomicMedicinePercentage
Namespace Prefix: | lxrx_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Percentage of revenue generated from United States Army Medical Research Acquisition Activity that accounts for 10 percent or more of an entity’s revenues. + References No definition available. + Details
Name: | lxrx_EntityWideRevenueUnitedStatesArmyMedicalResearchAcquisitionActivityPercentage
Namespace Prefix: | lxrx_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | us-gaap_EntityWideRevenueMajorCustomerLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration