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v3.21.2

Basis of Presentation (Details) | 3 Months Ended | 9 Months Ended |
--- | --- | --- | ---
Oct. 31, 2020 USD ($) | Oct. 31, 2020 USD ($) | Oct. 31, 2021 USD ($)
Cost of revenue | $ 480,000 | $ 869,000 |
Amendment No. 22 To Credit Facility [Member] |  |  |
Non-refundable fee |  |  | $ 50,000
Debt Instrument Covenant Period, One |  |  |
Minimum fixed charge coverage ratio |  |  | 1.10
Debt Instrument Covenant Period, Two |  |  |
Minimum fixed charge coverage ratio |  |  | 1.00
Debt Instrument Covenant Period, Thereafter |  |  |
Minimum fixed charge coverage ratio |  |  | 1.10

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