Revenues - Additional Information (Details) - USD ($)
$ in Thousands |
|
3 Months Ended |
9 Months Ended |
12 Months Ended |
Jan. 31, 2021 |
Oct. 31, 2021 |
Oct. 31, 2020 |
Oct. 31, 2021 |
Oct. 31, 2020 |
Jan. 31, 2021 |
Jan. 31, 2020 |
| Disaggregation of Revenue [Line Items] |
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|
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| Contract with customers liability revenue recognized that was included as opening balance |
|
|
|
|
|
$ 7,809
|
$ 7,441
|
| Revenue remaining performance obligation amount |
$ 34,044
|
$ 30,110
|
|
$ 30,110
|
|
34,044
|
|
| Deferred commission expenses |
1,319
|
1,494
|
|
1,494
|
|
1,319
|
64
|
| Other Current Assets [Member] |
|
|
|
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|
|
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| Disaggregation of Revenue [Line Items] |
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|
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|
|
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| Deferred commission expenses |
794
|
1,061
|
|
1,061
|
|
794
|
|
| Other Noncurrent Assets [Member] |
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| Disaggregation of Revenue [Line Items] |
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|
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| Deferred commission expenses |
$ 525
|
433
|
|
433
|
|
$ 525
|
|
| One Customer [Member] |
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|
|
|
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| Disaggregation of Revenue [Line Items] |
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|
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| Revenue from contract with customers excluding assessed tax |
|
|
|
|
$ 2,174
|
|
|
| Two Customers [Member] |
|
|
|
|
|
|
|
| Disaggregation of Revenue [Line Items] |
|
|
|
|
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| Revenue from contract with customers excluding assessed tax |
|
|
|
$ 4,283
|
|
|
|
| Revenue Benchmark [Member] | Customer Concentration Risk [Member] | One Customer [Member] |
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| Disaggregation of Revenue [Line Items] |
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| Concentration risk percentage |
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|
|
|
10.00%
|
10.00%
|
|
| Revenue Benchmark [Member] | Customer Concentration Risk [Member] | Two Customers [Member] |
|
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|
|
|
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| Disaggregation of Revenue [Line Items] |
|
|
|
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| Concentration risk percentage |
|
|
|
22.00%
|
|
|
|
| Revenue Benchmark [Member] | Customer Concentration Risk [Member] | Four Customers [Member] |
|
|
|
|
|
|
|
| Disaggregation of Revenue [Line Items] |
|
|
|
|
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| Revenue from contract with customers excluding assessed tax |
|
|
|
|
|
|
$ 11,187
|
| Concentration risk percentage |
|
|
|
|
|
|
48.00%
|
| Revenue Benchmark [Member] | Customer Concentration Risk [Member] | Six Customers [Member] |
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|
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|
|
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|
| Disaggregation of Revenue [Line Items] |
|
|
|
|
|
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| Revenue from contract with customers excluding assessed tax |
|
|
|
|
|
$ 13,381
|
|
| Concentration risk percentage |
|
|
|
|
|
46.00%
|
|
| Revenue Benchmark [Member] | Customer Concentration Risk [Member] | Minimum [Member] |
|
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|
|
|
|
| Disaggregation of Revenue [Line Items] |
|
|
|
|
|
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| Concentration risk percentage |
|
|
|
10.00%
|
|
|
|
| Revenue Benchmark [Member] | Customer Concentration Risk [Member] | Minimum [Member] | Four Customers [Member] |
|
|
|
|
|
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| Disaggregation of Revenue [Line Items] |
|
|
|
|
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| Concentration risk percentage |
|
|
|
|
|
|
10.00%
|
| Accounts Receivable [Member] | Customer Concentration Risk [Member] | One Customer [Member] |
|
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|
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| Disaggregation of Revenue [Line Items] |
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| Concentration risk percentage |
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|
|
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|
30.00%
|
| Accounts Receivable [Member] | Customer Concentration Risk [Member] | Three Customers [Member] |
|
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|
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| Disaggregation of Revenue [Line Items] |
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|
|
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| Concentration risk percentage |
85.00%
|
|
|
60.00%
|
|
85.00%
|
|
| Software And Support [Member] |
|
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|
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| Disaggregation of Revenue [Line Items] |
|
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| Revenue from contract with customers excluding assessed tax |
|
|
|
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|
$ 14,758
|
$ 15,914
|
| Subscription Revenue [Member] |
|
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|
|
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| Disaggregation of Revenue [Line Items] |
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| Revenue from contract with customers excluding assessed tax |
|
3,792
|
$ 2,180
|
$ 10,993
|
$ 6,475
|
$ 9,943
|
$ 3,884
|
| Product Subscription And Support Revenue [Member] |
|
|
|
|
|
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| Disaggregation of Revenue [Line Items] |
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| Revenue from contract with customers excluding assessed tax |
|
$ 6,092
|
$ 4,432
|
$ 17,992
|
$ 13,231
|
|
|