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Revenue (Tables) | 3 Months Ended
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Dec. 31, 2020
Revenue from Contract with Customer [Abstract] |
Disaggregation of Revenue | The following table summarizes our revenue by geographic location of our customers (in thousands):
|  |  | Three months ended December 31,
|  |  |  |  | 2020 |  | 2019
North America, primarily the United States |  |  |  |  | $ | 54,018 |  |  | $ | 47,536 |
Europe, Middle East & Africa |  |  |  |  | 10,536 |  |  | 8,516 |
Rest of world |  |  |  |  | 8,592 |  |  | 6,265 |
Total revenue |  |  |  |  | $ | 73,146 |  |  | $ | 62,317 |
The following table summarizes our revenue by the timing of revenue recognition (in thousands):
|  |  | Three months ended December 31,
|  |  |  |  | 2020 |  | 2019
Transferred at a point in time |  |  |  |  | $ | 64,188 |  |  | $ | 56,300 |
Transferred over time |  |  |  |  | 8,958 |  |  | 6,017 |
Total revenue |  |  |  |  | $ | 73,146 |  |  | $ | 62,317 |
Contract with Customer, Asset and Liability | Changes in unearned revenue were (in thousands):
|  |  | Three months ended December 31,
|  |  |  |  | 2020 |  | 2019
Unearned revenue, beginning of period |  |  |  |  | $ | 9,341 |  |  | $ | 5,025 |
Billings |  |  |  |  | 14,267 |  |  | 9,847 |
Revenue recognized |  |  |  |  | (10,542) |  |  | (8,070) |
Unearned revenue, end of period |  |  |  |  | $ | 13,066 |  |  | $ | 6,802 |

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- Definition Tabular disclosure of receivable, contract asset, and contract liability from contract with customer. Includes, but is not limited to, change in contract asset and contract liability. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -SubTopic 10 -Section 50 -Paragraph 10 -URI http://asc.fasb.org/extlink&oid=121604090&loc=SL49130551-203045 + Details
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- Definition Tabular disclosure of disaggregation of revenue into categories depicting how nature, amount, timing, and uncertainty of revenue and cash flows are affected by economic factor. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -SubTopic 10 -Section 50 -Paragraph 5 -URI http://asc.fasb.org/extlink&oid=121604090&loc=SL49130545-203045 + Details
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