CONSOLIDATED STATEMENTS OF OPERATIONS - USD ($) shares in Thousands, $ in Thousands	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019
Operating expenses
Research and development	$ 6,578	$ 4,585
General and administrative	4,330	4,108
Total operating expenses	10,908	8,693
Net operating loss	(10,908)	(8,693)
Other income
Interest income	26	94
Total other income	26	94
Net loss	$ (10,882)	$ (8,599)
Net loss per share, basic and diluted (in dollars)	$ (2.83)	$ (3.24)
Basic and diluted weighted average number of common shares outstanding	3,847	2,657