4. Leases (Tables)

12 Months Ended

Apr. 30, 2021

Lessee Disclosure [Abstract]

Schedule of lease costs

The components of lease cost for the fiscal years ended April 30, 2021 and 2020, were as follows (in thousands):

	April 30,
	2021		2020
Operating lease cost	$	3,151	$	3,339
Variable lease cost		676		603
Short-term lease cost		388		171
Total lease cost	$	4,215	$	4,113

Balance sheet classification of operating lease liabilities

Supplemental consolidated balance sheet and other information related to our operating leases as of April 30, 2021 and 2020 were as follows (in thousands, expect weighted average data):

	April 30,
	2021		2020
Assets
Operating lease ROU assets	$	18,691	$	20,100
Liabilities
Current portion of operating lease liabilities	$	1,355	$	1,228
Operating lease liabilities, less current portion		19,889		21,244
Total operating lease liabilities	$	21,244	$	22,472
Weighted average remaining lease term		9.6 years		10.5 years
Weighted average discount rate		8.0%		8.0%

Schedule of maturities of operating lease liabilities

As of April 30, 2021, the maturities of our operating lease liabilities, which includes those derived from lease renewal options that we considered it reasonably certain that we would exercise, were as follows (in thousands):

Fiscal Year	Total
2022	$	2,995
2023		3,010
2024		3,086
2025		3,171
2026		3,250
Thereafter		15,517
Total lease payments		31,029
Less: imputed interest		(9,785	)
Total operating lease liabilities	$	21,244