Cash and Cash Equivalents

12 Months Ended

Dec. 31, 2022

Cash and Cash Equivalents [Abstract]

Cash and Cash Equivalents

(3) Cash and Cash Equivalents

Cash equivalents consisted of the following as of as of December 31, 2022 (in thousands):

	December 31, 2022
	Cost		Estimated Fair Value
Institutional money market funds	$	18,664	$	18,664