Condensed Statements of Operations and Comprehensive Loss - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2023	Mar. 31, 2022
Revenues:
Total Revenues	$ 24,329	$ 18,836
Operating expenses:
Cost of goods sold	11,652	7,125
Research and development	31,381	24,319
Selling, general and administrative	29,901	30,381
Total operating expenses	72,934	61,825
Loss from operations	(48,605)	(42,989)
Interest expense	(14,387)	(14,062)
Other income, net	1,273	320
Net loss	$ (61,719)	$ (56,731)
Net loss per common share - basic (in dollars per share)	$ (0.79)	$ (0.93)
Net loss per common share - diluted (in dollars per share)	$ (0.79)	$ (0.93)
Weighted-average shares outstanding - basic (in shares)	78,440,266	60,954,755
Weighted-average shares outstanding - diluted (in shares)	78,440,266	60,954,755
Other comprehensive loss:
Unrealized gain (loss) on investments	$ 1	$ (232)
Comprehensive loss	(61,718)	(56,963)
Product sales, net
Revenues:
Total Revenues	17,031	13,354
Collaboration revenue
Revenues:
Total Revenues	$ 7,298	$ 5,482