Other Capital Stock Agreements

12 Months Ended

Dec. 31, 2013

Other Capital Stock Agreements [Abstract]

Other Capital Stock Agreements

Other Capital Stock Agreements

Common Stock: In October 2012, Lexicon sold 17,500,000 shares of its common stock at a price of $2.25 per share in a public offering, resulting in net proceeds of $37.1 million, after deducting underwriting discounts and commissions of $2.0 million and offering expenses of $0.2 million. Invus, L.P. purchased 3,000,000 of these shares. All of the net proceeds of this offering are reflected as issuance of common stock in the accompanying financial statements.