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Property and Equipment - Narrative (Details) $ in Thousands |  | 1 Months Ended | 3 Months Ended | 12 Months Ended | 61 Months Ended |  |
--- | --- | --- | --- | --- | --- | --- | ---
Oct. 31, 2019 USD ($) | Jul. 31, 2018 USD ($) | Jul. 31, 2021 USD ($) | Jul. 31, 2020 USD ($) | Nov. 30, 2020 USD ($) | Nov. 30, 2019 USD ($) | Apr. 30, 2021 USD ($) | Apr. 30, 2020 asset
Property, Plant and Equipment [Line Items] |  |  |  |  |  |  |  |
Depreciation and amortization |  |  | $ 317 | $ 224 |  |  |  |
Finance lease, asset, gross |  |  | 343 |  |  |  | $ 343 |
Finance lease, depreciation and amortization |  |  | 0 | 53 |  |  |  |
Total property and equipment |  |  | 11,030 |  |  |  | 10,046 |
Hosting arrangement, amortization expense |  |  | 40 | 0 |  |  |  |
Hosting arrangement, capitalized enhancements |  |  | 1,200 |  |  |  | 991 |
Finance lease costs |  | $ 266 |  |  | $ 231 | $ 149 |  |
Future minimum lease payments remaining |  |  | 0 | 58 |  |  |  |
Assets under finance lease |  |  | 0 |  |  |  |  |
(Gain) on disposal of equipment |  |  | 4 | 0 |  |  |  |
Number of right of use assets acquired | asset |  |  |  |  |  |  |  | 2
Finance lease, amortization |  |  | $ 53 | 0 |  |  |  |
Capitalized software development costs |  |  |  |  |  |  |  |
Property, Plant and Equipment [Line Items] |  |  |  |  |  |  |  |
Useful lives |  |  | 3 years |  |  |  |  |
Total property and equipment |  |  | $ 484 |  |  |  | $ 484 |
Traded in Assets |  |  |  |  |  |  |  |
Property, Plant and Equipment [Line Items] |  |  |  |  |  |  |  |
Assets under finance lease | $ 108 |  |  |  |  |  |  |
Disposal of property and equipment | $ 160 |  |  |  |  |  |  |
(Gain) on disposal of equipment |  |  |  | $ 53 |  |  |  |
Minimum |  |  |  |  |  |  |  |
Property, Plant and Equipment [Line Items] |  |  |  |  |  |  |  |
Useful lives |  |  | 3 years |  |  |  |  |
Maximum |  |  |  |  |  |  |  |
Property, Plant and Equipment [Line Items] |  |  |  |  |  |  |  |
Useful lives |  |  | 9 years |  |  |  |  |

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