Condensed Consolidated Statements of Operations - USD ($)	3 Months Ended		9 Months Ended
	Sep. 30, 2019	Sep. 30, 2018	Sep. 30, 2019	Sep. 30, 2018
Revenues:
Total Revenues	$ 30,306,000	$ 14,156,000	$ 79,752,000	$ 37,611,000
Cost of sales	5,350,000	3,779,000	14,325,000	11,760,000
Expenses:
Research and development	0	699,000	0	4,038,000
Selling, general and administrative	23,360,000	13,489,000	62,304,000	41,013,000
Total Expenses:	23,360,000	14,188,000	62,304,000	45,051,000
Income (loss) from operations	1,596,000	(3,811,000)	3,123,000	(19,200,000)
Interest expense	(1,234,000)	(2,567,000)	(17,732,000)	(7,598,000)
Other (expense) income, net	(3,000)	(2,000)	5,000	(8,000)
Loss before income taxes	359,000	(6,380,000)	(14,604,000)	(26,806,000)
Income tax benefit (expense)	(5,000)	0	(5,000)	(53,000)
Net income (loss)	354,000	(6,380,000)	(14,609,000)	(26,859,000)
Beneficial conversion feature of convertible preferred stock	0	(12,500,000)	0	(12,500,000)
Net income (loss) attributable to common stockholders	$ 354,000	$ (18,880,000)	$ (14,609,000)	$ (39,359,000)
Basic and diluted:
Weighted average common stock shares outstanding, basic (in shares)	89,649,922	64,900,007	81,612,112	60,599,456
Basic earnings (loss) per share (in usd per share)	$ 0	$ (0.29)	$ (0.18)	$ (0.65)
Weighted average common stock shares outstanding, diluted (in shares)	105,138,894	64,900,007	81,612,112	60,599,456
Diluted earnings (loss) per share (in usd per share)	$ 0	$ (0.29)	$ (0.18)	$ (0.65)
Product sales
Revenues:
Total Revenues	$ 29,623,000	$ 13,763,000	$ 77,438,000	$ 34,367,000
Product royalty revenues
Revenues:
Total Revenues	683,000	370,000	2,154,000	2,197,000
Contract revenues]
Revenues:
Total Revenues	$ 0	$ 23,000	$ 160,000	$ 1,047,000