Consolidated Statements of Net Income (Loss) and Comprehensive Income (Loss) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021
REVENUES
Total revenues	$ 10,797	$ 10,951	$ 21,283	$ 16,334
OPERATING COSTS AND EXPENSES
Cost of goods sold	1,140	200	2,972	293
License royalties	100	210	100	210
Research and development	26,420	19,778	49,332	41,357
Selling, general, and administrative	23,082	13,475	36,520	25,445
Total operating costs and expenses	50,742	33,663	88,924	67,305
Loss from operations	(39,945)	(22,712)	(67,641)	(50,971)
OTHER INCOME / (LOSS), NET
Gain from sale of priority review voucher, net				62,010
Interest and other loss	(1,186)	(225)	(1,558)	(563)
NET INCOME / (LOSS)	(41,131)	(22,937)	(69,199)	10,476
Other comprehensive income
Foreign currency translation	1,422	78	1,733	513
COMPREHENSIVE INCOME / (LOSS)	$ (39,709)	$ (22,859)	$ (67,466)	$ 10,989
Net income / (loss) per share attributable to common stockholders, basic (in dollars per share)	$ (0.94)	$ (0.53)	$ (1.58)	$ 0.25
Weighted average common shares outstanding, basic (in shares)	43,718,748	43,569,482	43,713,967	42,724,813
Net income / (loss) per share attributable to common stockholders, diluted (in dollars per share)	$ (0.94)	$ (0.53)	$ (1.58)	$ 0.23
Weighted average common shares outstanding, diluted (in shares)	43,718,748	43,569,482	43,713,967	45,080,419
Product
REVENUES
Total revenues	$ 9,797	$ 8,951	$ 20,283	$ 14,334
License
REVENUES
Total revenues	$ 1,000	$ 2,000	$ 1,000	$ 2,000