Strategic Agreements - Additional Information (Detail) - USD ($)	1 Months Ended	3 Months Ended		6 Months Ended
	Sep. 30, 2017	Jun. 30, 2024	Jun. 30, 2023	Jun. 30, 2024	Jun. 30, 2023
Collaborative Arrangements And Noncollaborative Arrangement Transactions [Line Items]
Total revenues		$ 2,171,000	$ 2,081,000	$ 3,998,000	$ 4,135,000
Non Refundable Upfront Payment Received	$ 17,500,000
Agreement With Innocoll
Collaborative Arrangements And Noncollaborative Arrangement Transactions [Line Items]
Additional Milestone Payment		122,000,000		122,000,000
Revenues recognized		0	0	0	0
Collaborative Research and Development and Other Revenue [Member]
Collaborative Arrangements And Noncollaborative Arrangement Transactions [Line Items]
Total revenues		$ 606,000	$ 508,000	$ 1,102,000	$ 1,151,000