Condensed Consolidated Statements of Operations and Comprehensive Income (Loss) - USD ($)	3 Months Ended		6 Months Ended
	Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2023	Jun. 30, 2022
Income Statement [Abstract]
Revenues	$ 13,241,000	$ 13,265,000	$ 24,375,000	$ 25,535,000
Costs and expenses:
Manufacture and supply	6,617,000	5,242,000	11,354,000	9,456,000
Research and development	3,473,000	5,198,000	7,020,000	9,971,000
Selling, general and administrative	7,360,000	15,587,000	14,815,000	28,608,000
Total costs and expenses	17,450,000	26,027,000	33,189,000	48,035,000
Loss from operations	(4,209,000)	(12,762,000)	(8,814,000)	(22,500,000)
Other income/ (expenses):
Interest expense	(1,373,000)	(1,635,000)	(2,808,000)	(3,253,000)
Interest expense related to the sale of future revenue, net	(55,000)	(1,937,000)	(107,000)	(3,798,000)
Interest and other income (expense), net	129,000	32,000	14,642,000	29,000
Loss on extinguishment of debt	0	0	(353,000)	0
Net income (loss) before income taxes	(5,508,000)	(16,302,000)	2,560,000	(29,522,000)
Income taxes	284,000	0	284,000	0
Net income (loss)	(5,792,000)	(16,302,000)	2,276,000	(29,522,000)
Comprehensive income (loss)	$ (5,792,000)	$ (16,302,000)	$ 2,276,000	$ (29,522,000)
Earnings (loss) per share attributable to common stockholders - basic (in dollars per share)	$ (0.10)	$ (0.36)	$ 0.04	$ (0.68)
Earnings (loss) per share attributable to common stockholders - diluted (in dollars per share)	$ (0.10)	$ (0.36)	$ 0.04	$ (0.68)
Weighted average common shares outstanding - basic (in shares)	57,350,902	45,462,516	56,494,805	43,475,198
Weighted average common shares outstanding - diluted (in shares)	57,350,902	45,462,516	58,938,222	43,475,198