Cash Equivalents (Tables)

6 Months Ended

Jun. 30, 2022

Cash and Cash Equivalents [Abstract]

Summary of Cash Equivalents and Restricted Securities

The following is a summary of cash equivalents (in thousands):

June 30, 2022	Cost Basis		Unrealized Holding Gains		Estimated Market Value
Cash equivalents:
Money market funds	$	10,025	$	—	$	10,025
Total assets	$	10,025	$	—	$	10,025

December 31, 2021	Cost Basis		Unrealized Holding Gains		Estimated Market Value
Cash equivalents:
Money market funds	$	10,015	$	—	$	10,015
Total assets	$	10,015	$	—	$	10,015