Fair Value Measurements (Tables)

9 Months Ended

Jan. 31, 2018

Fair Value Disclosures [Abstract]

Fair Value of Assets on Recurring Basis

The following table summarizes the fair values of assets that are recorded in the Company’s unaudited condensed consolidated financial statements as of January 31, 2018 and April 30, 2017 at fair value on a recurring basis (in thousands):

	Fair Value Measurements
	As of January 31, 2018
	Level 1		Level 2		Level 3
ASSETS:
Certificates of deposit	$	10,500	$	—	$	—
Mutual funds	1,092		—		—
Total assets at fair value	$	11,592	$	—	$	—
	As of April 30, 2017
	Level 1		Level 2		Level 3
ASSETS:
Money market funds	$	50,146	$	—	$	—
Mutual funds	1,038		—		—
Certificates of deposit	72,250		—		—
Total assets at fair value	$	123,434	$	—	$	—