Marketable Securities (Tables)

6 Months Ended

Jun. 30, 2023

Marketable Securities [Abstract]

Schedule of Marketable Securities

The following is summary of marketable securities that the Company measures at fair value (in thousands):

	Fair Value at June 30, 2023
	Level 1		Level 2		Level 3		Total
U.S. Treasury obligations	$	99	$	-	$	-	$	99
U.S. government agencies		-		1,284		-		1,284
Corporate and foreign bonds		-		4,527		-		4,527
Money market funds(1)		1,027		-		-		1,027
Accrued income		42		-		-		42
Total marketable securities	$	1,168	$	5,811	$	-	$	6,979

⁽¹⁾ Money market funds are included in cash and cash equivalents in the condensed balance sheet.

	Fair Value at December 31, 2022
	Level 1		Level 2		Level 3		Total
U.S. Treasury obligations	$	97	$	-	$	-	$	97
U.S. government agencies		-		1,250		-		1,250
Corporate and foreign bonds		-		7,808		-		7,808
Money market funds(1)		607		-		-		607
Accrued income		65		-		-		65
Total marketable securities	$	769	$	9,058	$	-	$	9,827

⁽¹⁾ Money market funds are included in cash and cash equivalents in the condensed balance sheet.