Subsequent Events (Details) - Eton Pharmaceuticals, Inc. - Subsequent event $ in Thousands	Oct. 13, 2026 USD ($)
Subsequent Event [Line Items]
Supply agreement initial term	20 years
Supply agreement extension term	3 years
Supply agreement termination notice period	2 years
Licensing and Supply Agreement
Subsequent Event [Line Items]
License fee payment	$ 10,000
Licensing and Supply Agreement \| Aggregate Specified Milestones
Subsequent Event [Line Items]
Licensing and supply agreement milestone payments receivable	47,500
Licensing and Supply Agreement \| First Commercial Sale, United States
Subsequent Event [Line Items]
Licensing and supply agreement milestone payments receivable	10,000
Licensing and Supply Agreement \| First Commercial Sale, United States, Without FDA Approval, Ages Two To Five
Subsequent Event [Line Items]
Licensing and supply agreement milestone payments receivable	5,000
Licensing and Supply Agreement \| First Commercial Sale, United States, Upon FDA Approval, Ages Six To Eleven
Subsequent Event [Line Items]
Licensing and supply agreement milestone payments receivable	2,500
Licensing and Supply Agreement \| First Commercial Sale, United States, Commercial Net Sales Milestones
Subsequent Event [Line Items]
Licensing and supply agreement milestone payments receivable	$ 35,000