Condensed Consolidated Statements of Operations - USD ($)	3 Months Ended		6 Months Ended
	Jun. 30, 2019	Jun. 30, 2018	Jun. 30, 2019	Jun. 30, 2018
Revenues	$ 21,792,000	$ 0	$ 21,792,000	$ 0
Cost of revenue	5,172,000	0	5,172,000	0
Gross profit	16,620,000	0	16,620,000	0
Research and development expense	600,000	1,415,000	2,543,000	3,060,000
Selling, general and administrative expense	2,456,000	1,556,000	4,326,000	3,195,000
Operating income (loss)	13,568,000	(3,077,000)	9,711,000	(6,058,000)
Other income (expense):
Warrant revaluation income	37,000	91,000	8,000	326,000
Derivative revaluation income (expense)	(1,138,000)	242,000	(1,083,000)	179,000
Interest expense	(200,000)	(191,000)	(397,000)	(381,000)
Other income, net	110,000	41,000	472,000	139,000
Income (loss) before income taxes	12,377,000	(2,894,000)	8,711,000	(5,795,000)
Income tax (expense)	(634,000)	0	(634,000)	0
Net income (loss)	11,743,000	(2,894,000)	8,077,000	(5,795,000)
Dividend paid in-kind to preferred stockholders	(86,000)	(83,000)	(171,000)	(165,000)
Deemed dividend on preferred stock (see Note 12)	(145,000)	(126,000)	(285,000)	(247,000)
Net income (loss) attributable to common stockholders	$ 11,512,000	$ (3,103,000)	$ 7,621,000	$ (6,207,000)
Net income (loss):
Basic (usd per share)	$ 1.18	$ (0.49)	$ 0.78	$ (1.03)
Diluted (usd per share)	$ 1.12	$ (0.49)	$ 0.77	$ (1.03)
Weighted average number of common shares outstanding:
Basic (shares)	9,758,332	6,376,048	9,758,332	6,026,454
Diluted (shares)	11,697,391	6,376,048	10,509,881	6,026,454
Affiliated Entity
Research and development expense	$ (4,000)	$ 106,000	$ 40,000	$ (197,000)
License revenue
Revenues	20,979,000	0	20,979,000	0
License revenue | Affiliated Entity
Cost of revenue	3,750,000	0	3,750,000	0
Collaboration revenue
Revenues	813,000	0	813,000	0
Cost of revenue	1,355,000	0	1,355,000	0
Collaboration revenue | Affiliated Entity
Cost of revenue	$ 67,000	$ 0	$ 67,000	$ 0