Fair Value Measurements (Tables)

3 Months Ended

Mar. 31, 2023

Fair Value Measurements

Schedule of financial assets and liabilities at fair value

	Level 1		Level 2		Level 3		Total
	(in thousands)
At March 31, 2023
Assets:
Cash and cash equivalents	$	2,001	$	—	$	—	$	2,001
Short-term investments		12		—		—		12
	$	2,013	$	—	$	—	$	2,013
At December 31, 2022
Assets:
Cash and cash equivalents	$	3,972	$	—	$	—	$	3,972
Short-term investments		20		—		—		20
	$	3,992	$	—	$	—	$	3,992