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PRODUCT REVENUE, NET - Product revenue and receivables (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022	Dec. 31, 2022
Revenue
Revenue	$ 20,454	$ 12,537	$ 61,456	$ 33,820
Accounts receivable	18,874		18,874		$ 12,531
Accrued liabilities	13,304		13,304		$ 13,241
Product
Revenue
Revenue	19,954	12,537	60,956	32,820
Product \| United States
Revenue
Revenue	16,072	12,420	48,756	30,872
Product \| Other countries
Revenue
Revenue	3,882	117	12,200	1,948
Product \| China
Revenue
Revenue			3,535
Product \| WEP \| Distribution agreement
Revenue
Revenue	3,048	0	5,579	0
Accounts receivable	4,120		4,120
Accrued liabilities	267		267
Product \| WEP \| Distribution agreement \| Other countries
Revenue
Revenue	3,048		5,579
Product, DANYELZA
Revenue
Revenue	$ 19,954	$ 12,537	$ 60,956	$ 32,820