CONSOLIDATED STATEMENTS OF OPERATIONS - USD ($)	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018
Revenue
Total revenue	$ 5,775,257	$ 4,416,145
Operating expenses
Cost of product revenue	3,815,812	2,765,746
Research and development	5,819,817	5,154,748
Sales and marketing	6,936,314	9,831,576
General and administrative	13,502,625	12,277,222
Settlement of Tempesta Royalty License Agreement	648,800
Impairment of goodwill	0	5,210,821
Impairment of indefinite-lived intangible assets	4,000,000	0
Total operating expenses	34,723,368	35,240,113
Loss from operations	(28,948,111)	(30,823,968)
Interest expense	(5,730,648)	(2,628,685)
Other income	80,832	315,691
Change in fair value of financial instruments	1,009,402	331,016
Gain on Valeant settlement		1,204,333
Loss on extinguishment of debt	(4,940,911)	(544,444)
Loss before income tax expense	(38,529,436)	(32,146,057)
Income tax expense	(10,000)
Net loss	(38,539,436)	(32,146,057)
Net loss attributable to common shareholders	$ (44,726,242)	$ (32,146,057)
Net loss per share, basic and diluted (in dollars per share)	$ (9.01)	$ (153.27)
Weighted-average common shares outstanding, basic and diluted (in shares)	4,965,337	209,729
Accretion of Series A convertible preferred
Operating expenses
Deemed dividend	$ (894,490)
Series B convertible preferred stock
Operating expenses
Deemed dividend	(4,239,870)
Series B-1 convertible preferred stock
Operating expenses
Deemed dividend	(530,303)
Series 1 warrants
Operating expenses
Deemed dividend	(522,143)
Product revenue, net
Revenue
Total revenue	$ 5,775,257	$ 4,238,756
Collaboration revenue
Revenue
Total revenue		$ 177,389