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Description of the Company and Operating Environment - Additional Information (Details)
 12 Months Ended
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