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Related Party Transactions (Details) $ in Thousands						12 Months Ended
	Nov. 08, 2022 USD ($) shares	Sep. 14, 2022 USD ($) item	Jun. 07, 2022	Jun. 07, 2020	Sep. 28, 2018	Dec. 31, 2022 USD ($)	Dec. 31, 2021 USD ($)
Related Party Transactions
Amount of milestones accrued						$ 0
Gross proceeds	$ 0	$ 15,000				40,460
Securities purchase agreement
Related Party Transactions
Gross proceeds						15,000
Series A Redeemable Convertible Preferred Stock
Related Party Transactions
Issuance of common stock (in shares) | shares	2,200
Series A Preferred stock
Related Party Transactions
Value of shares and warrants issued to purchase common stock		$ 15,000
Dong-A | Manufacturing and Supply Agreement
Related Party Transactions
Notice period for purchase order prior to requested delivery date			270 days
Dong-A | Dong A ST License Agreement
Related Party Transactions
Number of proprietary compounds in a license | item		2
Dong-A | DA-1726
Related Party Transactions
Developmental and regulatory milestone payment eligible to be received		$ 178,000
Dong-A | DA-1241
Related Party Transactions
Developmental and regulatory milestone payment eligible to be received		$ 138,000
Dong-A | Manufacturing Agreement
Related Party Transactions
Term of agreement				5 years	5 years
Percentage of shares held					5.00%
Related party costs						$ 0	$ 0
Period for dismission of allegations.					30 days

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