Condensed Consolidated Statements of Operations and Comprehensive Loss (Unaudited) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021
Operating expenses:
General and administrative	$ 1,796	$ 1,149
Research and development	2,208	1,099
Operating loss	(4,004)	(2,248)
Other income (expense):
Interest income	1	0
Interest expense	(3)	(3)
Other income (expense)	311	(122)
Total other income (expense)	309	(125)
Loss before income tax benefit	(3,695)	(2,373)
Income tax benefit	29	116
Net loss	(3,666)	(2,257)
Foreign currency translation adjustment	(299)	99
Comprehensive loss	$ (3,965)	$ (2,158)
Basic and diluted net loss per share (in dollars per share)	$ (0.27)	$ (0.23)
Weighted average shares outstanding - basic and diluted (in shares)	13,445,732	9,887,578