Fair Value Measurements (Tables)

3 Months Ended

Mar. 31, 2021

Fair Value Measurements

Schedule of financial assets and liabilities at fair value

	Level 1		Level 2		Level 3		Total
	(in thousands)
At March 31, 2021
Assets:
Cash and cash equivalents	$	7,975	$	—	$	—	$	7,975
Short-term investments		131		—		—		131
	$	8,106	$	—	$	—	$	8,106
At December 31, 2020
Assets:
Cash and cash equivalents	$	9,704	$	—	$	—	$	9,704
Short-term investments		79		—		—		79
	$	9,783	$	—	$	—	$	9,783