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Balance Sheet Components - Schedule of Prepaid Expenses and Other Current Assets (Details) - USD ($) $ in Thousands | Apr. 30, 2020 | Jan. 31, 2020
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Deferred Costs Capitalized Prepaid And Other Assets Disclosure [Abstract] |  |  |
Prepaid expenses |  | $ 22,091 | $ 16,416
Capitalized qualifying implementation costs incurred in a hosting arrangement that is a service contract, net of amortization | [1] | 1,143 | 1,202
Other current assets |  | 5,653 | 4,247
Total prepaid expenses and other current assets |  | $ 28,887 | $ 21,865
[1] | Capitalized stock-based compensation expense and the amortization of the capitalized costs were not material for the periods presented. We have not recorded any related impairment charges during the periods presented.

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- Definition Amount, after accumulated amortization, of capitalized implementation cost from hosting arrangement that is service contract. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 360 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=6391035&loc=d3e2868-110229 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 40 -Section 50 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=118198657&loc=SL118198666-228104 + Details
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