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Business Risk and Credit Risk Concentration Involving Cash (Tables) | 12 Months Ended
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Jun. 30, 2020
Risks And Uncertainties [Abstract] |
Summary of Concentrations of Sales for Customers | The following table summarizes the concentrations of sales for the Company’s customers:
|  |  |  | Percentage of Total Sales |
Customer |  | Business Segment |  | Year Ended June 30, 2020 |  |  | Year Ended June 30, 2019 |
Post-production film company |  | Astral |  |  | — |  |  |  | 31 | %
MMS distributor |  | 1st Detect |  |  | — |  |  |  | 69 | %
Global shipping and logistics company |  | 1st Detect |  |  | 100 | % |  |  | — |

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