Condensed Consolidated Statements of Operations and Comprehensive Loss - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021
Operating expenses:
Research and development	$ 982	$ 2,012	$ 1,902	$ 3,155
General and administrative	2,237	1,914	4,192	4,101
Total operating expenses	3,219	3,926	6,094	7,256
Loss from operations	(3,219)	(3,926)	(6,094)	(7,256)
Interest income		5		11
Other Expense	(84)		(84)
Loss before income taxes	(3,303)	(3,921)	(6,178)	(7,245)
Provision for income taxes	0	0	0	0
Net loss	(3,303)	(3,921)	(6,178)	(7,245)
Other comprehensive loss, net of tax	(3)	(4)	(4)	(11)
Comprehensive loss	$ (3,306)	$ (3,925)	$ (6,182)	$ (7,256)
Loss per share:
Net loss per share, basic	$ (0.12)	$ (0.18)	$ (0.23)	$ (0.33)
Net loss per share, diluted	$ (0.12)	$ (0.18)	$ (0.23)	$ (0.33)
Weighted average shares of common stock outstanding:
Basic	26,661,771	22,000,074	26,661,771	21,909,464
Diluted	26,661,771	22,000,074	26,661,771	21,909,464