4. Leases (Tables)

9 Months Ended

Jan. 31, 2021

Lessee Disclosure [Abstract]

Schedule of lease costs

The components of lease cost included in our accompanying unaudited condensed consolidated statements of operations and comprehensive income (loss) were as follows (in thousands):

	Three Months Ended January 31,				Nine Months Ended January 31,
	2021		2020		2021		2020
Operating lease cost	$	788	$	798	$	2,364	$	2,570
Variable lease cost		112		155		433		488
Short-term lease cost		99		83		289		83
Total lease cost	$	999	$	1,036	$	3,086	$	3,141

Balance sheet classification of operating lease liabilities

Supplemental consolidated balance sheet and other information related to our operating leases as of January 31, 2021 and April 30, 2020 were as follows (in thousands, expect weighted average data):

	January 31, 2021		April 30, 2020
Assets
Operating lease right-of-use assets	$	19,053	$	20,100
Liabilities
Current portion of operating lease liabilities	$	1,334	$	1,228
Operating lease liabilities, less current portion		20,233		21,244
Total operating lease liabilities	$	21,567	$	22,472
Weighted average remaining lease term		9.8 years		10.5 years
Weighted average discount rate		7.4%		8.0%

Schedule of maturities of operating lease liabilities

As of January 31, 2021, the maturities of our operating lease liabilities, which includes those derived from lease renewal options that we considered reasonably certain that we would exercise, were as follows (in thousands):

Fiscal Year Ending April 30,	Total
2021 (remaining period)	$	749
2022		2,995
2023		3,010
2024		3,086
2025		3,171
Thereafter		18,767
Total lease payments	$	31,778
Less: imputed interest		(10,211	)
Total operating lease liabilities	$	21,567