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Other Capital Agreements | 3 Months Ended | 6 Months Ended
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Sep. 30, 2022 | Jun. 30, 2022
Equity [Abstract] |  |
Other Capital Agreements |  | Other Capital Agreements Common Stock: In 2020, Lexicon entered into an Open Market Sale Agreement SM (the “Sales Agreement”) with Jefferies LLC (“Jefferies”) relating to the shares of its common stock. In January 2021, Lexicon sold 2,000,000 shares of its common stock at a price of $8.463 per share pursuant to the Sales Agreement, resulting in net proceeds of $16.4 million. In August and September 2021, Lexicon sold an aggregate of 4,176,953 shares of its common stock at a price of $4.732 per share pursuant to the Sales Agreement, resulting in net proceeds of $19.1 million. The net proceeds are reflected as issuances of common stock in the accompanying condensed consolidated financial statements.
Subsequent Events | Subsequent Events Common Stock: In August 2022, Lexicon sold an aggregate of 34,000,000 shares of its common stock at a price of $2.50 per share in a public offering and concurrent private placement to two affiliates of Invus, L.P., resulting in net proceeds of approximately $82.2 million, after deducting underwriting discounts and commissions and estimated offering expenses. |

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- Definition The entire disclosure for significant events or transactions that occurred after the balance sheet date through the date the financial statements were issued or the date the financial statements were available to be issued. Examples include: the sale of a capital stock issue, purchase of a business, settlement of litigation, catastrophic loss, significant foreign exchange rate changes, loans to insiders or affiliates, and transactions not in the ordinary course of business. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 855 -URI https://asc.fasb.org/topic&trid=2122774 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 855 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (a) -URI https://asc.fasb.org/extlink&oid=6842918&loc=SL6314017-165662 + Details
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