XML 18 R37.htm IDEA: XBRL DOCUMENT
v2.4.1.9

Subsequent Event (Details) | May 20, 2015 | Mar. 31, 2015 | Dec. 31, 2014
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Subsequent Event [Abstract] |  |  |
Common Stock, Shares Authorized |  | 900,000,000 us-gaap_CommonStockSharesAuthorized | 900,000,000 us-gaap_CommonStockSharesAuthorized
Common Stock, Shares Authorized After Reverse Stock Split | 225,000,000 lxrx_CommonStockSharesAuthorizedAfterReverseStockSplit |  |

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- Definition The maximum number of common shares permitted to be issued by an entity's charter and bylaws after the effective date of a reverse stock split. + References No definition available. + Details
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Balance Type: | na
Period Type: | instant

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- Details
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Namespace Prefix: | lxrx_
Data Type: | xbrli:stringItemType
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- Definition The maximum number of common shares permitted to be issued by an entity's charter and bylaws. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.29) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 30 -Article 5 + Details
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Namespace Prefix: | us-gaap_
Data Type: | xbrli:sharesItemType
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