v3.26.1
EQUIPMENT AND LEASEHOLD IMPROVEMENTS
 12 Months Ended
Jun. 30, 2026
EQUIPMENT AND LEASEHOLD IMPROVEMENTS [Abstract]  
EQUIPMENT AND LEASEHOLD IMPROVEMENTS 7.    EQUIPMENT AND LEASEHOLD IMPROVEMENTS

 

The major categories of equipment and leasehold improvements at June 30, 2026 and 2025 are summarized as follows:  

Estimated useful lives (in years)

2026

2025

Machinery and equipment

5 - 10

$

619,064

$

619,064

Furniture and office equipment

5 - 10

337,419

337,419

Tooling

5

4,086,922

3,898,743

Computer & technology equipment

3 - 5

197,073

197,073

Leasehold improvements

3 - 11

3,889,402

3,591,681

Assets in progress

N/A

127,706

297,120

9,257,586

8,941,100

Less: accumulated depreciation and amortization

7,759,356

7,464,202

Equipment and leasehold improvements, net

$

1,498,230

$

1,476,898

During the fiscal years ended June 30, 2026 and 2025, depreciation expense was $295,154 and $237,210, respectively.