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COMPOSITION OF CERTAIN FINANCIAL STATEMENT ITEMS (Details Narrative) - USD ($) |  | 12 Months Ended |  |  |
--- | --- | --- | --- | --- | ---
Nov. 06, 2020 | Jun. 30, 2023 | Jun. 30, 2022 | Jun. 30, 2021 | Jun. 30, 2019 | Jun. 30, 2018 | Jun. 30, 2017
Available for sale securities amortized costs |  | $ 2,714,000 | $ 2,796,000 |  |  |  |
Investments included net unrealized losses |  | 219,000 | 262,000 |  |  |  |
Gross unrealized losses |  | 286,000 | 369,000 |  |  |  |
Gross unrealized gains |  | 67,000 | 107,000 |  |  |  |
Marketable equity securities |  | 1,134,000 | 755,000 |  |  |  |
Payment of property plant equipment |  |  |  | $ 6,499,000 |  |  |
Depreciation expenses |  | 727,000 | 616,000 |  |  |  |
Retired assets |  | 760,000 | 87,000 |  |  |  |
Loss on disposal of equipment |  |  | 35,000 |  |  |  |
Amortization expense |  | 37,000 | 16,000 |  |  |  |
Legal fees |  |  | $ 84,000 |  |  |  |
Future amortization expense |  | $ 30,000 |  |  |  |  |
Franklin [Member] |  |  |  |  |  |  |
Payment to acquired property plant equipment | $ 6,500,000 |  |  |  |  |  |
Payment of property plant equipment | 1,300,000 |  |  |  |  |  |
Bank financed | $ 5,200,000 |  |  |  |  |  |
Monogram Orthopaedics Inc [Member] |  |  |  |  |  |  |
Loan payable |  |  |  |  |  |  | $ 800,000
Impairement on investment |  |  |  |  |  | $ 800,000 |
Warrant issued |  |  |  |  | $ 1,250,000 |  |
Exercisable warrants |  | 1,823,058 | 783,386 |  |  |  |
Estimated fair value of warrant |  | $ 6,160,000 | $ 2,304,000 |  |  |  |

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