CONDENSED STATEMENTS OF OPERATIONS AND COMPREHENSIVE LOSS (Unaudited) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2017	Sep. 30, 2016	Sep. 30, 2017	Sep. 30, 2016
Revenue:
License revenue		$ 131		$ 261
Product Sales	17		34
Total revenue	17	131	34	261
Cost of goods sold	11		27
Gross profit	6	131	7	261
Operating expenses:
Research and development	721	829	2,517	1,964
General and administrative	2,235	1,932	7,506	5,259
Total operating expenses	2,956	2,761	10,023	7,223
Net operating loss	(2,950)	(2,630)	(10,016)	(6,962)
Other income (expense):
Interest income	9		20
Interest expense	(33)	(6)	(54)	(49)
Interest expense, related parties		(9)	(1)	(43)
Loss on extinguishment of unsecured promissory note		(59)		(171)
Other income (expense)	37		76	51
Total other income (expense)	13	(74)	41	(212)
Net loss	(2,937)	(2,704)	(9,975)	(7,174)
Series A convertible preferred stock dividends		(30)		(90)
Net loss and comprehensive loss	$ (2,937)	$ (2,734)	$ (9,975)	$ (7,264)
Weighted average common shares outstanding - basic and fully diluted (in shares)	10,334,211	7,306,234	10,234,211	5,774,738
Net loss per common share - basic and fully diluted (in dollars per shares)	$ (0.28)	$ (0.37)	$ (0.97)	$ (1.26)