Balance Sheet Components (Tables)

12 Months Ended

Apr. 30, 2020

Balance Sheet Components [Abstract]

Schedule of Prepaid Expenses and Other Current Assets

Prepaid expenses and other current assets consisted of the following (in thousands):

	As of April 30,
	2020		2019
Prepaid hosting costs	$	12,228	$	12,006
Deposits	1,857		1,268
Prepaid software subscription costs	3,104		4,326
Deferred stock-based compensation expense	—		784
Prepaid taxes	3,612
Prepaid value added taxes	5,167		4,239
Other	6,655		8,249
Total prepaid expenses and other current assets	$	32,623	$	30,872

Schedule of Cost and Accumulated Depreciation of Property and Equipment

The cost and accumulated depreciation of property and equipment were as follows (in thousands):

		As of April 30,
	Useful Life (in years)	2020		2019
Leasehold improvements	Lesser of estimated useful life or remaining lease term	$	8,405	$	6,176
Computer hardware and software	3	5,687		5,393
Furniture and fixtures	3-5	5,072		3,094
Assets under construction		1,661		1,243
Total property and equipment		20,825		15,906
Less: accumulated depreciation		(13,065)		(10,458)
Property and equipment, net		$	7,760	$	5,448

Schedule of Intangible Assets

Intangible assets consisted of the following as of April 30, 2020 (in thousands):

	Gross Fair Value		Accumulated Amortization		Net Book Value		Weighted Average Remaining Useful Life (in years)
Developed technology	$	44,830	$	12,412	$	32,418	4.1
Customer relationships	19,598		3,210		16,388		3.4
Trade names	2,872		1,223		1,649		3.4
Total	$	67,300	$	16,845	$	50,455	3.9

Intangible assets consisted of the following as of April 30, 2019 (in thousands):

	Gross Fair Value		Accumulated Amortization		Net Book Value		Weighted Average Remaining Useful Life (in years)
Developed technology	$	12,130	$	5,646	$	6,484	2.5
Customer relationships	398		268		130		2.2
Trade names	972		863		109		2.2
Total	$	13,500	$	6,777	$	6,723	2.5

Schedule of Amortization Expense for Intangible Assets

Amortization expense for the intangible assets for the years ended April 30, 2020, 2019 and 2018 was as follows (in thousands):

	Year Ended April 30,
	2020		2019		2018
Cost of revenue—cost of license—self-managed	$	948	$	387	$	387
Cost of revenue—cost of subscription—self-managed and SaaS	5,820		2,421		1,521
Sales and marketing	3,300		148		119
Total amortization of acquired intangible assets	$	10,068	$	2,956	$	2,027

Schedule of Expected Future Amortization Expense of Intangible Assets

The expected future amortization expense related to the intangible assets as of April 30, 2020 was as follows (in thousands, by fiscal year):

2021	$	14,167
2022	12,948
2023	11,890
2024	8,716
2025	2,734
Thereafter	—
Total	$	50,455

Schedule of Changes to Goodwill

The following table represents the changes to goodwill (in thousands):

	Carrying Amount
Balance as of April 30, 2018	$	19,182
Addition from acquisition	1,038
Foreign currency translation adjustment	(374)
Balance as of April 30, 2019	$	19,846
Addition from acquisition	178,764
Foreign currency translation adjustment	(733)
Balance as of April 30, 2020	$	197,877

Schedule of Accrued Expenses and Other Liabilities

Accrued expenses and other liabilities consisted of the following (in thousands):

	As of April 30,
	2020		2019
Accrued expenses	$	10,864	$	8,124
Income taxes payable	—		149
Value added taxes payable	7,230		4,236
Share repurchase liability	—		1,612
Other	4,116		4,619
Total accrued expenses and other liabilities	$	22,210	$	18,740

Schedule of Accrued Compensation and Benefits

Accrued compensation and benefits consisted of the following (in thousands):

	As of April 30,
	2020		2019
Accrued vacation	$	17,971	$	9,655
Accrued commissions	16,259		6,510
Accrued payroll and withholding taxes	7,588		1,868
Post-combination compensation liability	—		655
Other	6,591		3,459
Total accrued compensation and benefits	$	48,409	$	22,147

Schedule of Unbilled Accounts Receivable, Deferred Contract Acquisition Costs, and Deferred Revenue from Contracts with Customers

The following table provides information about unbilled accounts receivable, deferred contract acquisition costs, and deferred revenue from contracts with customers (in thousands):

	As of April 30,
	2020		2019
Unbilled accounts receivable, included in accounts receivable, net	$	2,622	$	1,710
Deferred contract acquisition costs	$	43,549	$	26,150
Deferred revenue	$	259,702	$	170,666

Significant changes in the unbilled accounts receivable and the deferred revenue balances were as follows (in thousands):

	Unbilled Accounts Receivable
	Year Ended April 30,
	2020		2019		2018
Beginning balance	$	1,710	$	1,139	$	1,114
Amounts transferred to accounts receivable from unbilled accounts receivable presented at the beginning of the period	(1,710)		(1,139)		(1,114)
Revenue recognized during the period in excess of invoices issued	2,622		1,710		1,139
Ending balance	$	2,622	$	1,710	$	1,139

	Deferred Revenue
	Year Ended April 30,
	2020		2019		2018
Beginning balance	$	170,666	$	102,561	$	54,152
Additions through acquisition	6,192		—		859
Increases due to invoices issued, excluding amounts recognized as revenue during the period	242,136		163,963		96,944
Revenue recognized that was included in deferred revenue balance at beginning of period	(159,292)		(95,858)		(49,394)
Ending balance	$	259,702	$	170,666	$	102,561

The following table summarizes the activity of the deferred contract acquisition costs (in thousands):

	Year Ended April 30,
	2020		2019		2018
Beginning balance	$	26,150	$	18,079	$	10,135
Capitalization of contract acquisition costs	45,713		29,445		20,675
Amortization of deferred contract acquisition costs	(28,314)		(21,374)		(12,731)
Ending balance	$	43,549	$	26,150	$	18,079
Deferred contract acquisition costs, current	19,537		17,215		12,125
Deferred contract acquisition costs, non- current	24,012		8,935		5,954
Total deferred contract acquisition costs	$	43,549	$	26,150	$	18,079