CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019
Operating expenses
Research and development	$ 1,030	$ 1,523	$ 3,038	$ 1,921
General and administrative	1,013	966	2,349	2,088
Total operating expenses	2,043	2,489	5,387	4,009
Net operating loss	(2,043)	(2,489)	(5,387)	(4,009)
Other income
Interest income	3	33	23	41
Total other income	3	33	23	41
Net loss	$ (2,040)	$ (2,456)	$ (5,364)	$ (3,968)
Net loss per share, basic and diluted (in dollars)	$ (0.55)	$ (0.87)	$ (1.45)	$ (1.75)
Basic and diluted weighted average number of common shares outstanding	3,692	2,828	3,692	2,267