Condensed Consolidated Statements of Operations and Comprehensive Income (Loss) - USD ($)	3 Months Ended		9 Months Ended
	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022
Income Statement [Abstract]
Revenues	$ 13,002,000	$ 11,463,000	$ 37,377,000	$ 36,998,000
Costs and expenses:
Manufacture and supply	4,798,000	4,625,000	16,152,000	14,081,000
Research and development	3,196,000	3,232,000	10,216,000	13,203,000
Selling, general and administrative	7,385,000	12,459,000	22,200,000	41,067,000
Total costs and expenses	15,379,000	20,316,000	48,568,000	68,351,000
Loss from operations	(2,377,000)	(8,853,000)	(11,191,000)	(31,353,000)
Other income/ (expenses):
Interest expense	(1,256,000)	(1,649,000)	(4,064,000)	(4,902,000)
Interest expense related to the sale of future revenue, net	(56,000)	(2,039,000)	(163,000)	(5,837,000)
Interest and other income (expense), net	1,514,000	5,000	16,156,000	34,000
Loss on extinguishment of debt	0	0	(353,000)	0
Net income (loss) before income taxes	(2,175,000)	(12,536,000)	385,000	(42,058,000)
Income taxes	(140,000)	0	144,000	0
Net income (loss)	(2,035,000)	(12,536,000)	241,000	(42,058,000)
Comprehensive income (loss)	$ (2,035,000)	$ (12,536,000)	$ 241,000	$ (42,058,000)
Earnings (loss) per share attributable to common stockholders:
Basic (in dollars per share)	$ (0.03)	$ (0.23)	$ 0	$ (0.90)
Diluted (in dollars per share)	$ (0.03)	$ (0.23)	$ 0	$ (0.90)
Weighted average common shares outstanding:
Basic (in shares)	64,678,761	53,424,922	59,252,768	46,828,218
Diluted (in shares)	64,678,761	53,424,922	61,513,736	46,828,218