XML 22 R5.htm IDEA: XBRL DOCUMENT
v3.19.1

Statements of Comprehensive Loss Parentheticals (Parentheticals) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2018 | Dec. 31, 2017 | Dec. 31, 2016
Stock-based compensation expense associated with research and development expense | $ 6,010 | $ 4,905 | $ 3,938
Stock-based compensation expense associated with general and administrative expense | $ 5,686 | $ 4,567 | $ 3,514

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