Fair Value of Financial Instruments (Tables)

12 Months Ended

Apr. 30, 2022

Fair Value Disclosures [Abstract]

Assets and Liabilities Measured at Fair Value on Recurring Basis

The following table presents our assets that we measured at fair value on a recurring basis and indicates the fair value hierarchy of the valuation techniques we utilized to determine such fair value (in thousands): 

	April 30, 2022								April 30, 2021
	Quoted Prices in Active Markets for Identical Assets (Level 1)		Significant Other Observable Inputs (Level 2)		Significant Unobservable Inputs (Level 3)		Total		Quoted Prices in Active Markets for Identical Assets (Level 1)		Significant Other Observable Inputs (Level 2)		Significant Unobservable Inputs (Level 3)		Total
Cash equivalents	$	98,459	$	—	$	—	$	98,459	$	81,720	$	—	$	—	$	81,720
Marketable securities	16,826		—		—		16,826		15,332		674		—		16,006
Total	$	115,285	$	—	$	—	$	115,285	$	97,052	$	674	$	—	$	97,726