CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2019	Jun. 30, 2018	Jun. 30, 2019	Jun. 30, 2018
Operating expenses
Research and development	$ 1,523	$ 827	$ 1,921	$ 1,759
General and administrative	966	852	2,088	1,839
Total operating expenses	2,489	1,679	4,009	3,598
Net operating loss	(2,489)	(1,679)	(4,009)	(3,598)
Other income (loss)
Interest income	33	2	41	5
Total other income	33	2	41	5
Net loss	$ (2,456)	$ (1,677)	$ (3,968)	$ (3,593)
Net loss per share, basic and diluted (in dollars)	$ (0.87)	$ (2.96)	$ (1.75)	$ (6.34)
Basic and diluted weighted average number of common shares outstanding	2,828	567	2,267	567