CONSOLIDATED STATEMENTS OF OPERATIONS AND COMPREHENSIVE LOSS - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019
Income Statement [Abstract]
Net product revenues	$ 159,742	$ 5,995
Cost of product sold	27,738	1,577
Gross profit	132,004	4,418
Operating expenses:
Research and development	19,448	69,595
Sales and marketing	55,824	44,318
General and administrative	39,746	36,409
Total operating expenses	115,018	150,322
Operating income (loss)	16,986	(145,904)
Loss on debt extinguishment	(22,639)
Other expense, net	(3,071)
Interest expense, net	(28,220)	(6,073)
Loss before income taxes	(36,944)	(151,977)
Net loss and comprehensive loss	(36,944)	(151,977)
Accumulation of dividends on preferred stock	(26,904)	(35,231)
Net loss available to common stockholders	$ (63,848)	$ (187,208)
NET LOSS PER SHARE:
Basic	$ (2.48)	$ (24.07)
Diluted	$ (2.48)	$ (24.07)
Weighted average number of shares of common stock - basic	25,772,419	7,777,441
Weighted average number of shares of common stock - diluted	25,772,419	7,777,441