v3.23.3

Summary of Significant Accounting Policies (Narrative) (Details) | 12 Months Ended
--- | ---
Jun. 30, 2023 USD ($) customer | Jun. 30, 2022 USD ($) customer
Summary Of Significant Accounting Policies [Line Items] |  |
Reserve for loss on contract | $ 0 | $ 0
Contract assets | 0 | 0
Contract liabilities | 0 | 100,000
Revenue recognized included in contract liabilities | $ 100 | $ 178,000
Dividend rate | 0.00% | 0.00%
Amount of liability for uncertain tax positions | $ 0 | $ 0
Amount in excess of insured limit | 6,900,000 | 18,200,000
Accounts receivable - trade |  | 1,000,000
Royalty income |  | 7,000
Revenues | 0 | 1,884,000
Revenue reported in discontinued operations | $ 391,000 | $ 499,000
Four Customers [Member] | Revenue [Member] | Customer Concentration Risk [Member] |  |
Summary Of Significant Accounting Policies [Line Items] |  |
Number of major customers | customer | 4 |
Revenue reported in discontinued operations | $ 391,000 |
Eight Customers [Member] | Revenue [Member] | Customer Concentration Risk [Member] |  |
Summary Of Significant Accounting Policies [Line Items] |  |
Number of major customers | customer |  | 8
Revenue reported in discontinued operations |  | $ 499,000
Minimum [Member] |  |
Summary Of Significant Accounting Policies [Line Items] |  |
Fixed assets, useful life | 3 years |
Maximum [Member] |  |
Summary Of Significant Accounting Policies [Line Items] |  |
Fixed assets, useful life | 15 years |
Intellectual Property [Member] |  |
Summary Of Significant Accounting Policies [Line Items] |  |
Intangible asset, useful life | 20 years |

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