Risks and Uncertainties - Additional Information (Details) - USD ($) $ in Thousands		3 Months Ended		6 Months Ended
	Aug. 09, 2022	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021	Dec. 31, 2021
Risks and Uncertainties
Cash		$ 3,273		$ 3,273		$ 11,005
Operating loss		3,430	$ 6,166	7,994	$ 9,667
Accumulated deficit		145,191		145,191		$ 137,035
Revenue from the sale of products or services		$ 119	$ 63	$ 302	$ 140
Subsequent Event | Public Offering
Risks and Uncertainties
Net proceeds from issuance of common stock	$ 16,400