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	$ 1,019,000	$ 0	$ 22,811,000	$ 0
Cost of revenue	1,686,000	0	6,858,000	0
Gross profit (loss)	(667,000)	0	15,953,000	0
Research and development expense	763,000	1,541,000	3,306,000	4,601,000
Selling, general and administrative expense	2,929,000	1,501,000	7,255,000	4,696,000
Operating income (loss)	(4,363,000)	(3,105,000)	5,348,000	(9,163,000)
Other income (expense):
Warrant revaluation income	141,000	265,000	149,000	591,000
Derivative revaluation income (expense)	(3,522,000)	87,000	(4,605,000)	266,000
Interest expense	(200,000)	(194,000)	(597,000)	(575,000)
Other income, net	43,000	88,000	515,000	227,000
Income (loss) before income taxes	(7,901,000)	(2,859,000)	810,000	(8,654,000)
Income tax benefit	697,000	0	63,000	0
Net income (loss)	(7,204,000)	(2,859,000)	873,000	(8,654,000)
Dividend paid in-kind to preferred stockholders	(89,000)	(85,000)	(260,000)	(250,000)
Deemed dividend on preferred stock (see Note 12)	(150,000)	(130,000)	(435,000)	(377,000)
Net income (loss) attributable to common stockholders	$ (7,443,000)	$ (3,074,000)	$ 178,000	$ (9,281,000)
Net income (loss):
Basic (usd per share)	$ (0.76)	$ (0.33)	$ 0.02	$ (1.31)
Diluted (usd per share)	$ (0.76)	$ (0.33)	$ 0.02	$ (1.31)
Weighted average number of common shares outstanding:
Basic (shares)	9,758,332	9,234,869	9,758,332	7,107,678
Diluted (shares)	9,758,332	9,234,869	9,776,888	7,107,678
Affiliated Entity
Research and development expense	$ 4,000	$ 63,000	$ 44,000	$ (134,000)
License revenue
Revenues	0	0	20,979,000	0
License revenue | Affiliated Entity
Cost of revenue	0	0	3,750,000	0
Collaboration revenue
Revenues	1,019,000	0	1,832,000	0
Cost of revenue	1,684,000	0	3,039,000	0
Collaboration revenue | Affiliated Entity
Cost of revenue	$ 2,000	$ 0	$ 69,000	$ 0