License and Collaboration Agreements - Summary of Accounts Recerivable, Net (Detail) - USD ($) $ in Thousands	Dec. 31, 2022	Dec. 31, 2021
Current accounts receivable:
Billed to customers	$ 280	$ 365
Unbilled Zolgesa royalties	27,027	26,418
Due from Abeona		5,000
Other unbilled	775	656
Current accounts receivable, net	28,082	32,439
Non-current accounts receivable:
Due from Abeona, net of present value discount	4,152	3,758
Other unbilled	1,504	2,262
Allowance for credit losses	(4,152)	(3,758)
Non-current accounts receivable, net	1,504	2,262
Total accounts receivable, net	$ 29,586	$ 34,701