Product Revenue Reserves and Allowances - Disaggregation of Revenue (Detail) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022
Disclosure of Product Revenue Reserves and Allowances [Line Items]
Revenues	$ 46,018	$ 41,404
YUTIQ [Member]
Disclosure of Product Revenue Reserves and Allowances [Line Items]
Revenues	14,232	28,329
DEXYCU [Member]
Disclosure of Product Revenue Reserves and Allowances [Line Items]
Revenues	0	11,576
Product [Member]
Disclosure of Product Revenue Reserves and Allowances [Line Items]
Revenues	$ 14,232	$ 39,905