Related Party Transactions - Statements of work (Details) - Dong-A $ in Thousands	3 Months Ended	9 Months Ended
Sep. 30, 2023 USD ($)	Sep. 30, 2023 USD ($)
Secondment of Dong-A Personnel, Sow 2
Related Party Transactions
SOW amount		$ 120
R&D expense	$ 30	30
Manufacture of DA-1241 and DA-1726
Related Party Transactions
SOW amount		789
R&D expense	9	789
Accounts payable/Accrued research and development	9	9
Preclinical and Research Overhead for DA-1241 and DA-1726
Related Party Transactions
SOW amount		1,422
R&D expense	372	1,405
Accounts payable/Accrued research and development	1,275	1,275
Secondment of Dong-A Personnel, Sow 5
Related Party Transactions
SOW amount		18
R&D expense	5	7
Accounts payable/Accrued research and development	5	5
Shared Services Agreement
Related Party Transactions
SOW amount		2,349
R&D expense	416	2,231
Accounts payable/Accrued research and development	$ 1,289	$ 1,289

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