v3.21.1
Balance Sheet Components
 3 Months Ended
Apr. 30, 2021
Deferred Costs, Capitalized, Prepaid, and Other Assets Disclosure [Abstract]  
Balance Sheet Components Balance Sheet Components
Prepaid Expenses and Other Current Assets
Prepaid expenses and other current assets consisted of the following:
April 30,
2021		January 31,
2021
(in thousands)
Prepaid expenses$23,924 $23,072 
Prepaid software licenses20,164 20,596 
Other current assets6,994 4,566 
Prepaid hosting services5,303 5,383 
Prepaid expenses and other current assets$56,385 $53,617 
Property and Equipment, Net
Property and equipment, net consisted of the following:
April 30,
2021		January 31,
2021
(in thousands)
Data center and other computer equipment$165,251 $146,220 
Capitalized internal-use software and website development46,269 44,358 
Leasehold improvements19,455 19,733 
Purchased software3,548 3,211 
Furniture and equipment6,498 6,498 
Construction in process50,837 35,528 
291,858 255,548 
Less: Accumulated depreciation and amortization(100,548)(88,534)
Property and equipment, net$191,310 $167,014 
Construction in process mainly includes data center equipment purchased that has not yet been placed in service. As of April 30, 2021, $41.6 million of data center equipment was purchased but not yet been placed into service.
Depreciation and amortization expense of property and equipment was $12.0 million and $8.2 million during the three months ended April 30, 2021 and April 30, 2020, respectively.
There was no impairment of website and internal-use software during the three months ended April 30, 2021 and April 30, 2020. The Company capitalized $6.2 million and $2.3 million in website and internal-use software during the three months ended April 30, 2021 and April 30, 2020. Amortization expense associated with website and internal-use software totaled $2.5 million and $1.9 million during the three months ended April 30, 2021 and April 30, 2020, respectively. The net book value of capitalized website and internal-use software was $23.7 million and $20.1 million as of April 30, 2021 and January 31, 2021, respectively.
Intangible Assets, Net
Total intangible assets, net consisted of the following:
April 30, 2021Weighted-Average
Remaining 
Useful
Life
Gross Carrying AmountAccumulated AmortizationNet Amount
(in thousands)(in months)
Developed technology$82,431 $3,309 $79,122 90
Customer relationships9,097 871 8,226 80
Other acquired intangible assets1,727 224 1,503 47
Total$93,255 $4,404 $88,851 

January 31, 2021Weighted-Average
Remaining 
Useful
Life
Gross Carrying AmountAccumulated AmortizationNet Amount
(in thousands)(in months)
Developed technology$14,513 $2,193 $12,320 56
Customer relationships3,769 649 3,120 54
Other acquired intangible assets399 162 237 185
Total$18,681 $3,004 $15,677 
Amortization of developed technology, customer relationships, and other acquired intangible assets are recorded within cost of revenue, sales and marketing expense, and research and development expense, respectively, in the condensed consolidated statements of operations. Amortization expense of intangible assets was $2.4 million and $0.1 million during the three months ended April 30, 2021 and April 30, 2020, respectively.
The estimated aggregate future amortization expense of intangible assets as of April 30, 2021 is as follows:
Total
(in thousands)
Fiscal 2022 (remaining nine months) $9,951 
Fiscal 202313,199 
Fiscal 202412,500 
Fiscal 202512,416 
Fiscal 202611,329 
Thereafter29,456 
Total amortization expense$88,851 
The developed technology, customer relationships, and other acquired intangible assets are amortized over their estimated useful lives, generally on a straight-line basis for periods ranging from 2 to 20 years.
Goodwill
Goodwill during the three months ended April 30, 2021 consisted of the following:
Amounts
(in thousands)
Goodwill as of January 31, 2021$83,566 
Goodwill acquired(1)
291,156 
Foreign currency translation(141)
Goodwill as of April 30, 2021$374,581 
__________________________________
(1)Goodwill acquired resulted from the acquisition of Humio. Refer to Note 12 for additional information.
Accrued Expenses
Accrued expenses consisted of the following:
April 30,
2021		January 31,
2021
(in thousands)
Web hosting services$13,390 $14,187 
Other accrued expenses12,387 11,372 
Accrued purchases of property and equipment9,026 4,570 
Accrued interest expense6,312 687 
Accrued marketing6,093 14,592 
Accrued legal and accounting2,419 5,709 
Accrued expenses$49,627 $51,117 
Accrued Payroll and Benefits
Accrued payroll and benefits consisted of the following:
April 30,
2021		January 31,
2021
(in thousands)
Accrued commissions$24,479 $32,300 
Employee Stock Purchase Plan24,308 10,969 
Accrued payroll and related expenses17,737 16,528 
Accrued bonuses12,575 12,110 
Accrued payroll and benefits$79,099 $71,907 

In April 2020, the Company began deferring payment on its share of payroll taxes owed, as permitted by the CARES Act through December 31, 2020. As of April 30, 2021 and January 31, 2021, the Company had deferred $5.1 million of payroll taxes in other current liabilities and $5.1 million of payroll taxes in other liabilities, noncurrent on the condensed consolidated balance sheet.