Subsequent Events (Details) - Subsequent Event $ / shares in Units, $ in Millions	Oct. 27, 2023 USD ($)	Oct. 24, 2023 USD ($) ft²	Oct. 09, 2023 USD ($) $ / shares shares	Oct. 04, 2023
Junshi Biosciences | LOQTORZI
Subsequent Event [Line Items]
Milestone payment	$ 25.0
Optional Stock Purchase Agreement | CMO
Subsequent Event [Line Items]
Issuance of common stock under Offering, net of issuance costs (in shares) | shares			2,225,513
Share price | $ / shares			$ 3.675
Issuance of common stock under Offering, net of issuance costs			$ 8.2
Number of trading days considered for price per share of common stock				10 days
Sixth amendment to lease | Maximum
Subsequent Event [Line Items]
Area of land | ft²		47,789
Sixth amendment to lease | Remaining Premises | Maximum
Subsequent Event [Line Items]
Area of land | ft²		27,532
Sixth amendment to lease | January 1, 2024 through September 30, 2024
Subsequent Event [Line Items]
Base rent per month		$ 0.2
Sixth amendment to lease | October 1, 2024 through September 30, 2027
Subsequent Event [Line Items]
Base rent per year		1.8
Sixth amendment to lease | October 1, 2024 through September 30, 2027 | Maximum
Subsequent Event [Line Items]
Base rent per year		$ 1.9
Sixth amendment to lease | Reduction Space
Subsequent Event [Line Items]
Area of land | ft²		20,257