Consolidated Statements of Cash Flows - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021
CASH FLOWS FROM OPERATING ACTIVITIES
Net loss	$ (69,199)	$ 10,476
Adjustments to reconcile net loss to net cash used in operating activities:
Gain from sale of priority review voucher, net		(62,010)
Depreciation and amortization	383	346
Stock-based compensation	18,724	9,525
Foreign currency transactions	1,733	513
Changes in assets and liabilities:
Accounts receivable, net	504	(8,517)
Inventories	(1,282)	(3,820)
Other current assets	1,220	4,284
Other assets	(2,579)	(1,503)
Accounts payable	(2,261)	(2,569)
Accrued liabilities and other	4,732	2,658
NET CASH USED IN OPERATING ACTIVITIES	(48,025)	(50,617)
CASH FLOWS FROM INVESTING ACTIVITIES
Purchase of property and equipment		(441)
Net proceeds from sale of priority review voucher		62,010
NET CASH PROVIDED BY INVESTING ACTIVITIES		61,569
CASH FLOWS FROM FINANCING ACTIVITIES
Proceeds from issuance of common stock, net of issuance costs		107,725
Proceeds from exercised stock options	32	241
NET CASH PROVIDED BY FINANCING ACTIVITIES	32	107,966
Effect of exchange rates on cash and cash equivalents	94	35
NET INCREASE / (DECREASE) IN CASH AND CASH EQUIVALENTS	(47,899)	118,953
Cash and cash equivalents at the beginning of period	181,564	114,634
Cash and cash equivalents at the end of period	133,665	$ 233,587
SUPPLEMENTAL DISCLOSURE OF NON-CASH ACTIVITIES
Intangible assets acquisition in accrued milestones and royalty payments	$ 1,500