Fair Value Measurements (Tables)

9 Months Ended

Apr. 30, 2022

Schedule of Amortized Cost, Gross Unrealized Gains (Losses) and Fair Value of Available-for-sale Investments

The following table sets forth the amortized cost, gross unrealized gains, gross unrealized losses and fair values of our short-term and long-term investments accounted for as available-for-sale securities as of April 30, 2022, and July 31, 2021:


	April 30, 2022								July 31, 2021
(in thousands)	Amortized Cost		Gross Unrealized Gains		Gross Unrealized Losses		Fair Value		Amortized Cost		Gross Unrealized Gains		Gross Unrealized Losses		Fair Value
Financial Assets:
Investments:
U.S. Treasury securities	$	54,889	$	—	$	(905)	$	53,984	$	42,009	$	35	$	—	$	42,044
Certificates of deposit	700		—		—		700		1,500		—		—		1,500
Commercial paper	2,978		—		—		2,978		10,192		—		—		10,192
Asset-backed securities	7,505		1		(24)		7,482		10,393		18		(9)		10,402
Corporate bonds	81,089		—		(1,185)		79,904		96,347		103		(7)		96,443
Total	$	147,161	$	1	$	(2,114)	$	145,048	$	160,441	$	156	$	(16)	$	160,581

Schedule of Fair Value of Available-for-sale Securities By Contractual Maturity

The following table sets forth the fair value of available-for-sale securities by contractual maturity as of April 30, 2022, and July 31, 2021:


	April 30, 2022								July 31, 2021
(in thousands)	One Year or Less		Over One Year Through Five Years		Over Five Years		Total		One Year or Less		Over One Year Through Five Years		Over Five Years		Total
Financial Assets:
Investments:
U.S. Treasury securities	$	33,894	$	20,090	$	—	$	53,984	$	41,633	$	411	$	—	$	42,044
Certificates of deposit	700		—		—		700		1,500		—		—		1,500
Commercial paper	2,978		—		—		2,978		10,192		—		—		10,192
Asset-backed securities	3,006		4,476		—		7,482		29		10,373		—		10,402
Corporate bonds	56,451		23,453		—		79,904		48,192		48,251		—		96,443
Total	$	97,029	$	48,019	$	—	$	145,048	$	101,546	$	59,035	$	—	$	160,581

Schedule of Short-term and Long-term Investments Accounted for as Available-for-sale Measured at Fair Value on Recurring Basis

The following table sets forth our cash equivalents, and short-term and long-term investments accounted for as available-for-sale securities that were measured at fair value on a recurring basis based on the fair value hierarchy as of April 30, 2022, and July 31, 2021:


	April 30, 2022								July 31, 2021
(in thousands)	Level 1		Level 2		Level 3		Total		Level 1		Level 2		Level 3		Total
Financial Assets:
Cash equivalents:
Money market funds	$	24,718	$	—	$	—	$	24,718	$	10,728	$	—	$	—	$	10,728

Investments:
U.S. Treasury securities	53,984		—		—		53,984		42,044		—		—		42,044
Certificates of deposit	—		700		—		700		—		1,500		—		1,500
Commercial paper	—		2,978		—		2,978		—		10,192		—		10,192
Asset-backed securities	—		7,482		—		7,482		—		10,402		—		10,402
Corporate bonds	—		79,904		—		79,904		—		96,443		—		96,443
Total	$	78,702	$	91,064	$	—	$	169,766	$	52,772	$	118,537	$	—	$	171,309