Spin-off of OmniAb - Schedule of revenue and expenses of the discontinued operations (Details) - Discontinued operations - USD ($)	3 Months Ended		6 Months Ended
	Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2022
Revenues:
Total revenues	$ 0	$ 7,293,000	$ 16,470,000
Operating costs and expenses:
Amortization of intangibles		3,274,000	6,507,000
Research and development		10,651,000	21,779,000
General and administrative		2,499,000	8,754,000
Total operating costs and expenses	$ 0	16,424,000	37,040,000
Loss from operations		(9,131,000)	(20,570,000)
Other income (expense):
Other income (expense), net		(166,000)	277,000
Total other income (expense), net		(166,000)	277,000
Loss before income tax		(9,297,000)	(20,293,000)
Income tax (expense) benefit		(4,197,000)	4,343,000
Net loss		(13,494,000)	(15,950,000)
Kyprolis
Revenues:
Total revenues		139,000	402,000
Contract revenue
Revenues:
Total revenues		$ 7,154,000	$ 16,068,000