Consolidated Statements of Operations and Comprehensive Loss - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2018	Dec. 31, 2017
Consolidated Statements of Operations and Comprehensive Loss [Abstract]
Revenues	$ 67,430	$ 66,918
Cost and expenses:
Manufacture and supply	20,988	19,820
Research and development	23,112	22,133
Selling, general and administrative	72,264	25,078
Total costs and expenses	116,364	67,031
Loss from operations	(48,934)	(113)
Other income (expenses):
Interest expense	(7,711)	(7,707)
Interest income	552	0
Change in fair value of warrant	(5,278)	(1,123)
Other expense	(5)	0
Net loss before income taxes	(61,376)	(8,943)
Income taxes	0	0
Net loss	(61,376)	(8,943)
Dividends on redeemable preferred interests	0	(2,480)
Net loss attributable to common shares/ members' interests	(61,376)	(11,423)
Comprehensive loss	$ (61,376)	$ (11,423)
Net loss per share - basic and diluted (in dollars per share)	$ (2.96)
Weighted-average number of common shares outstanding - basic and diluted (in shares)	20,725,526