Condensed Consolidated Statements of Operations (Unaudited) - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2025	Jun. 30, 2024	Jun. 30, 2025	Jun. 30, 2024
Revenue:
Total revenue	$ 1,348	$ 998	$ 4,088	$ 26,363
Operating costs and expenses:
Cost of goods sold	$ 85	$ 140	$ 337	$ 21,483
Cost, Product and Service [Extensible List]	Product Revenue, Net [Member]	Product Revenue, Net [Member]	Product Revenue, Net [Member]	Product Revenue, Net [Member]
Research and development	$ 5,865	$ 32,360	$ 15,040	$ 68,848
Selling, general and administrative	7,057	14,906	15,164	31,622
Restructuring charge	393	0	519	0
Total operating costs and expenses	13,400	47,406	31,060	121,953
Loss from operations	(12,052)	(46,408)	(26,972)	(95,590)
Interest and other, net
Interest expense	(2,009)	(1,868)	(4,265)	(3,960)
Interest income and other income (expenses), net	286	900	698	3,135
Total interest and other, net	(1,723)	(968)	(3,567)	(825)
Loss from continuing operations before income taxes	(13,775)	(47,376)	(30,539)	(96,415)
Benefit from income taxes	(92)	(281)	(90)	(274)
Loss from continuing operations	(13,683)	(47,095)	(30,449)	(96,141)
Income from discontinued operations, net of tax	6,080	31,551	27,485	47,664
Net loss	$ (7,603)	$ (15,544)	$ (2,964)	$ (48,477)
Loss from continuing operations per share - basic	$ (3.38)	$ (11.79)	$ (7.54)	$ (24.18)
Loss from continuing operations per share - diluted	(3.38)	(11.79)	(7.54)	(24.18)
Income from discontinued operations per share - basic	1.5	7.9	6.81	11.99
Income from discontinued operations per share - diluted	1.5	7.9	6.81	11.99
Net loss per share - basic	(1.88)	(3.89)	(0.73)	(12.19)
Net loss per share - diluted	$ (1.88)	$ (3.89)	$ (0.73)	$ (12.19)
Weighted average number of common shares used to calculate net income (loss) per share:
Basic	4,042	3,993	4,040	3,976
Diluted	4,042	3,993	4,040	3,976
Development and Other Revenue [Member]
Revenue:
Total revenue	$ 133	$ 269	$ 277	$ 1,147
Drug Product Revenue, Net [Member]
Revenue:
Total revenue	$ 1,215	$ 729	$ 3,811	$ 25,216