Cash, Cash Equivalents and Investments (Tables)

6 Months Ended

Jun. 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):

	June 30, 2022		December 31, 2021
Cash and cash equivalents:
Cash	$	13,396	$	40,270
Money market funds		26,432		15,954
Repurchase agreements		6,000		13,500
Government and agency notes		1,100		—
Total cash and cash equivalents	$	46,928	$	69,724
Short-term investments:
Certificates of deposit	$	2,352	$	6,928
Municipal notes		1,231		1,283
Corporate notes		16,522		25,675
Government and agency notes		25,735		3,192
Commercial Paper		1,896		—
Total short-term investments	$	47,736	$	37,078
Long-term investments:
Corporate notes	$	1,561	$	12,722
Certificates of deposit		3,916		4,575
Municipal notes		—		650
Government and agency notes		5,552		1,986
Total long-term investments	$	11,029	$	19,933