Cash, Cash Equivalents and Investments (Tables)

9 Months Ended

Sep. 30, 2022

Fair Value Disclosures [Abstract]

Summary of Fair Values of Cash, Cash Equivalents, and Short-Term Investments Measured at Fair Value on Recurring Basis

The following tables categorize the fair values of cash, cash equivalents, short-term investments and long-term investments measured at fair value on a recurring basis on our balance sheets (in thousands):

	September 30, 2022		December 31, 2021
Cash and cash equivalents:
Cash	$	10,233	$	40,270
Money market funds		15,012		15,954
Repurchase agreements		5,000		13,500
Corporate notes		1,564		—
Total cash and cash equivalents	$	31,809	$	69,724
Short-term investments:
Certificates of deposit	$	4,319	$	6,928
Municipal notes		506		1,283
Corporate notes		14,445		25,675
Government and agency notes		43,264		3,192
Total short-term investments	$	62,534	$	37,078
Long-term investments
Corporate notes	$	—	$	12,722
Certificates of deposit		1,429		4,575
Municipal notes		—		650
Government and agency notes		3,572		1,986
Total long-term investments	$	5,001	$	19,933