v3.23.1

Finance leases and other debt - Amended and restated loan and security agreement (Details) - USD ($) | 12 Months Ended |  |  |  |  |
--- | --- | --- | --- | --- | --- | ---
Jan. 31, 2023 | Jan. 31, 2021 | Mar. 28, 2022 | Mar. 27, 2022 | Jan. 31, 2022 | May 05, 2020 | Feb. 28, 2019
Term loan |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |
Debt instrument, face amount |  |  |  |  |  |  | $ 20,000,000
Loss on extinguishment of debt |  | $ 1,073,000 |  |  |  |  |
Second SVB Facility | Revolving credit facility |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |
Line of credit borrowing capacity |  |  |  |  |  | $ 50,000,000 |
Accordion feature, potential new maximum borrowing capacity |  |  |  |  |  | 65,000,000 |
Long term debt | $ 0 |  |  |  | $ 0 | $ 20,663,000 |
Third SVB Facility | Revolving credit facility |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |
Line of credit borrowing capacity |  |  | $ 100,000 | $ 50,000 |  |  |
Stated interest rate (as a percent) | 3.25% |  |  |  |  |  |
Interest rate (as a percent) | 7.00% |  |  |  |  |  |
Annual commitment fee | $ 250,000 |  |  |  |  |  |
Unused capacity, commitment fee (as a percent) | 0.15% |  |  |  |  |  |
Remaining borrowing capacity | $ 100,000,000 |  |  |  |  |  |
Termination fee percentage (up to) (as a percent) |  |  |  |  |  | 1.50% |
Third SVB Facility | Revolving credit facility | Prime Rate |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |
Scheduled reduction in interest rate (as a percent) | 0.50% |  |  |  |  |  |

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- Definition Amount, before unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but is not limited to, notes payable, bonds payable, commercial loans, mortgage loans, convertible debt, subordinated debt and other types of debt. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 470 -SubTopic 20 -Section 50 -Paragraph 4 -Subparagraph (b)(1) -URI https://asc.fasb.org/extlink&oid=123466204&loc=SL6031897-161870 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-03(16)) -URI https://asc.fasb.org/extlink&oid=126734703&loc=d3e572229-122910 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(22)) -URI https://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682 Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03(16)) -URI https://asc.fasb.org/extlink&oid=126897435&loc=d3e534808-122878 + Details
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