Condensed Consolidated Statements of Operations and Comprehensive Income (Loss) - USD ($)	3 Months Ended
	Mar. 31, 2023	Mar. 31, 2022
Income Statement [Abstract]
Revenues	$ 11,134,000	$ 12,270,000
Costs and expenses:
Manufacture and supply	4,737,000	4,214,000
Research and development	3,547,000	4,773,000
Selling, general and administrative	7,455,000	13,021,000
Total costs and expenses	15,739,000	22,008,000
Loss from operations	(4,605,000)	(9,738,000)
Other income/ (expenses):
Interest expense	(1,435,000)	(1,618,000)
Interest expense related to the sale of future revenue, net	(52,000)	(1,861,000)
Interest and other income (expense), net	14,513,000	(3,000)
Loss on extinguishment of debt	(353,000)	0
Net income (loss) before income taxes	8,068,000	(13,220,000)
Income taxes	0	0
Net income (loss)	8,068,000	(13,220,000)
Comprehensive income (loss)	$ 8,068,000	$ (13,220,000)
Earnings (loss) per share attributable to common stockholders - basic (in dollars per share)	$ 0.15	$ (0.32)
Earnings (loss) per share attributable to common stockholders - diluted (in dollars per share)	$ 0.11	$ (0.32)
Weighted average common shares outstanding - basic (in shares)	55,631,947	41,465,798
Weighted average common shares outstanding - diluted (in shares)	73,792,886	41,465,798