Consolidated Statements of Operations - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2024	Jun. 30, 2023	Jun. 30, 2024	Jun. 30, 2023
Total revenues	$ 20,490	$ 19,454	$ 35,370	$ 31,299
Costs and expenses:
Cost of product sales	1,981	2,571	3,212	4,277
Research and development	928	951	2,134	2,736
Selling, general and administrative	24,129	20,104	44,647	42,828
Total costs and expenses	27,038	23,626	49,993	49,841
Loss from operations	(6,548)	(4,172)	(14,623)	(18,542)
Other (income) expense:
Unrealized gain on fair value of warrants	(3,100)	(10,900)	(1,800)	(10,390)
Interest income	(809)	(725)	(1,105)	(1,429)
Interest expense	4,947	4,824	9,918	9,496
Foreign currency (gain) loss	(5)	3	13	5
Net (loss) income	(7,581)	2,626	(21,649)	(16,224)
Less: undistributed earnings to participating shareholders	0	(53)	0	0
Net (loss) income - basic	$ (7,581)	$ 2,573	$ (21,649)	$ (16,224)
Net (loss) income per share of common stock, basic (in dollars per share)	$ (0.05)	$ 0.02	$ (0.17)	$ (0.15)
Weighted average common shares outstanding, basic (in shares)	147,455,374	111,979,778	130,025,113	111,877,669
Add: Unrealized gain on fair value of warrants	$ (3,100)	$ 0	$ (1,800)	$ 0
Net (loss) income - diluted	$ (10,681)	$ 2,573	$ (23,449)	$ (16,224)
Net income (loss) per share of common stock, diluted (in dollars per share)	$ (0.07)	$ 0.02	$ (0.17)	$ (0.15)
Weighted average common shares outstanding, diluted (in shares)	150,698,374	112,042,097	136,918,539	111,877,669
Revenue from Contract with Customer, Product and Service [Extensible Enumeration]	Net product revenues	Net product revenues	Net product revenues	Net product revenues
Net product revenues
Total revenues	$ 20,490	$ 19,454	$ 35,370	$ 31,299