Subsequent Events	12 Months Ended
Dec. 31, 2023
Subsequent Events [Abstract]
Subsequent Events	8. Subsequent Events On February 13, 2024, the Company announced that Ipsen S.A. announced it had received approval from the FDA to market ONIVYDE as a first-line treatment of metastatic adenocarcinoma on the pancreas. As a result of this approval by the FDA, the Company is entitled to receive a $225 million milestone payment from Ipsen, which is expected to be received by the end of March 2024. The Company expects to ask stockholders to approve a plan of dissolution and liquidation and, upon receipt of such approval, to dissolve the Company and make a liquidating dividend payment to stockholders of record on the date that the plan of dissolution is approved by its stockholders. The Company expects that the meeting of stockholders will be held in the next 50-90 days.

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.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 855
-Name Accounting Standards Codification
-Publisher FASB
-URI https://asc.fasb.org//855/tableOfContent

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 855
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 2
-Subparagraph (a)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147483399/855-10-50-2

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