v3.20.4
Balance Sheet Components
 12 Months Ended
Jan. 31, 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:
January 31,
20212020
(in thousands)
Prepaid expenses$23,072 $20,390 
Prepaid software licenses20,596 16,645 
Prepaid hosting services5,383 8,056 
Other current assets4,566 6,523 
Prepaid expenses and other current assets$53,617 $51,614 
Property and Equipment, Net
Property and equipment, net consisted of the following:
January 31,
20212020
(in thousands)
Data center and other computer equipment$146,220 $87,166 
Capitalized internal-use software44,358 30,354 
Leasehold improvements19,733 13,157 
Purchased software3,211 2,604 
Furniture and equipment6,498 4,835 
Construction in process35,528 47,626 
255,548 185,742 
Less: Accumulated depreciation and amortization(88,534)(49,664)
Property and equipment, net$167,014 $136,078 
Construction in process mainly includes data center equipment purchased that has not yet been placed in service. Data center equipment that was purchased but not yet been placed into service was $30.0 million and $44.9 million as of January 31, 2021 and January 31, 2020, respectively.
Depreciation and amortization expense of property and equipment was $38.7 million, $23.0 million, and $14.8 million, during the years ended January 31, 2021, January 31, 2020, and January 31, 2019, respectively.
There were no impairments of internal-use software during the years ended January 31, 2021, January 31, 2020, and January 31, 2019. The Company capitalized $14.0 million, $8.1 million, and $6.8 million in internal-use software during the years ended January 31, 2021, January 31, 2020, and January 31, 2019, respectively. Amortization expense associated with internal-use software totaled $7.9 million, $6.2 million and $5.2 million during the years ended January 31, 2021, January 31, 2020, and January 31, 2019, respectively. The net book value of capitalized internal-use software was $19.5 million and $13.4 million as of January 31, 2021 and January 31, 2020, respectively.
Intangible Assets, Net
Total intangible assets, net consisted of the following:
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 

January 31, 2020Weighted-Average Remaining Useful Life
Gross Carrying AmountAccumulated AmortizationNet Amount
(in thousands)(in months)
Developed Technology$1,238 $1,067 $171 9
Customer relationships607 280 327 33
Other acquired intangible assets121 92 29 9
Total$1,966 $1,439 $527 
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 consolidated statements of operations. Amortization expense of intangible assets was $1.4 million, $0.5 million, and $0.6 million, during the years ended January 31, 2021, January 31, 2020, and January 31, 2019, respectively.
The estimated aggregate future amortization expense of intangible assets as of January 31, 2021 is as follows:
Total
(in thousands)
Fiscal 2022$3,462 
Fiscal 20233,363 
Fiscal 20243,268 
Fiscal 20253,268 
Fiscal 20262,182 
Thereafter134 
Total amortization expense$15,677 
The developed technology, customer relationships, and other acquired intangible assets are generally being amortized over 5 years, 5 years, and 1 year, respectively.
Goodwill
Goodwill during the year ended January 31, 2021 consisted of the following:
Amounts
(in thousands)
Goodwill as of January 31, 2020$7,722 
Goodwill acquired75,297 
Foreign currency translation547 
Goodwill as of January 31, 2021$83,566 
Accrued Expenses
Accrued expenses consisted of the following:
January 31,
20212020
(in thousands)
Accrued marketing$14,592 $1,970 
Web hosting services14,187 16,367 
Other accrued expenses12,059 7,459 
Accrued legal and accounting5,709 1,770 
Accrued purchases of property and equipment4,570 2,789 
Accrued expenses$51,117 $30,355 
Accrued Payroll and Benefits
Accrued payroll and benefits consisted of the following:
January 31,
20212020
(in thousands)
Accrued commissions$32,300 $15,399 
Accrued payroll and related expenses16,528 6,680 
Accrued bonuses12,110 8,171 
Employee Stock Purchase Plan10,969 6,560 
Accrued payroll and benefits$71,907 $36,810 
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 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 consolidated balance sheet