XML 55 R5.htm IDEA: XBRL DOCUMENT
v2.4.0.8

Statements of Comprehensive Loss Parenthetical (Parenthetical) (USD $) In Thousands, unless otherwise specified | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2014 | Sep. 30, 2013 | Sep. 30, 2014 | Sep. 30, 2013
Stock-based compensation expense associated with research and development expense | $ 797 | $ 1,027 | $ 3,195 | $ 3,379
Stock-based compensation expense associated with general and administrative expense | $ 697 | $ 723 | $ 2,389 | $ 2,349

X
- Definition Stock-based compensation expense associated with general and administrative expense. + References No definition available. + Details
Name: | lxrx_StockBasedCompensationExpenseAssociatedWithGeneralAndAdministrativeExpense
Namespace Prefix: | lxrx_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Stock-based compensation expense included in research and development expense. + References No definition available. + Details
Name: | lxrx_StockBasedCompensationExpenseAssociatedWithResearchAndDevelopmentExpense
Namespace Prefix: | lxrx_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration