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EQUIPMENT AND LEASEHOLD IMPROVEMENTS | 12 Months Ended
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Jun. 30, 2025
EQUIPMENT AND LEASEHOLD IMPROVEMENTS [Abstract] |
EQUIPMENT AND LEASEHOLD IMPROVEMENTS | 6. EQUIPMENT AND LEASEHOLD IMPROVEMENTS The major categories of equipment and leasehold improvements at June 30, 2025 and 2024 are summarized as follows:
|  | Estimated useful lives (in years) |  |  | 2025 |  |  | 2024
Machinery and equipment |  | 5 - 10 |  | $ | 619,064 |  | $ | 619,064
Furniture and office equipment |  | 5 - 10 |  |  | 337,419 |  |  | 337,419
Tooling |  | 5 |  |  | 3,898,743 |  |  | 3,765,766
Computer & technology equipment |  | 3 - 5 |  |  | 197,073 |  |  | 197,073
Leasehold improvements |  | 3 - 11 |  |  | 3,591,681 |  |  | 3,171,070
Assets in progress |  | N/A |  |  | 297,120 |  |  | 359,990
|  |  |  |  |  | 8,941,100 |  |  | 8,450,382
Less: accumulated depreciation and amortization |  |  |  |  |  | 7,464,202 |  |  | 7,226,991
Equipment and leasehold improvements, net |  |  |  |  | $ | 1,476,898 |  | $ | 1,223,391
During the fiscal years ended June 30, 2025 and 2024, depreciation expense was $237,210 and $192,272, respectively.

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