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Cash, Cash Equivalents and Short-Term Investments (Tables)

12 Months Ended

Dec. 31, 2021

Cash and Cash Equivalents [Abstract]

Schedule of Cash and Cash Equivalents and Short-Term Investments by Significant Investment Category

The following tables show the Company’s cash and cash equivalents by significant investment category as of December 31 (in thousands):


		December 31, 2021
		Amortized cost				Estimated fair value				Cash and cash equivalents
Cash		$	3,702			$	3,702			$	3,702
Level 1:
Money market funds			10,809				10,809				10,809
Total		$	14,511			$	14,511			$	14,511


		December 31, 2020
		Amortized cost				Estimated fair value				Cash and cash equivalents
Cash		$	2,779			$	2,779			$	2,779
Level 1:
Money market funds			35,394				35,394				35,394
Total		$	38,173			$	38,173			$	38,173