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Description of the Company and Operating Environment - Additional Information (Details) |  | 12 Months Ended
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Oct. 28, 2020 USD ($) | Jun. 30, 2021 USD ($) reportable_unit Patent
Organization Consolidation And Presentation Of Financial Statements [Abstract] |  |
Number of reportable business units | reportable_unit |  | 3
Number of patents granted | Patent |  | 28
Number of additional patents in process | Patent |  | 2
Number of wholly-owned subsidiaries |  | 3
Purchase orders for TRACER 1000 | $ 1,000,000 |
Additional future service and support commitments | $ 1,000,000 |

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