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v3.21.1

Basis of Presentation (Details) $ in Thousands |  | 3 Months Ended |  |  |
--- | --- | --- | --- | --- | ---
Dec. 11, 2020 USD ($) | Apr. 30, 2020 USD ($) | Apr. 30, 2021 | Sep. 08, 2020 | Feb. 01, 2020
Cost of revenue |  | $ 218 |  |  |
Amendment No. 20 To Credit Facility [Member] |  |  |  |  |
Maximum fixed charge coverage ratio |  |  |  |  | 1.10
Amendment No. 22 To Credit Facility [Member] |  |  |  |  |
Minimum coverage ratio | 1.10 |  |  |  |
Amendment No. 22 To Credit Facility [Member] | Maximum |  |  |  |  |
Covenant compliance, adjusted EBITDA | $ 2,000 |  |  |  |
Consecutive Four Fiscal Quarters Ending Thereafter | Amendment No. 20 To Credit Facility [Member] |  |  |  |  |
Maximum fixed charge coverage ratio |  |  | 1.10 |  |
Consecutive Four Fiscal Quarters Ending Thereafter | Amendment No. 21 To Credit Facility [Member] |  |  |  |  |
Maximum fixed charge coverage ratio |  |  | 1.00 | 1.10 |

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