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v3.21.2

Basis of Presentation (Details) |  | 3 Months Ended | 6 Months Ended |  |
--- | --- | --- | --- | --- | ---
Dec. 11, 2020 USD ($) | Jul. 31, 2020 USD ($) | Jul. 31, 2020 USD ($) | Oct. 31, 2020 | Oct. 30, 2020
Cost of revenue |  | $ 171,000 | $ 389,000 |  |
Minimum coverage ratio | 1.10 |  |  |  |
Maximum |  |  |  |  |
Covenant compliance, adjusted EBITDA | $ 2,000,000 |  |  |  |
Consecutive Four Fiscal Quarters Ending Thereafter |  |  |  |  |
Minimum fixed charge coverage ratio |  |  |  | 1.00 | 1.10

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