Equipment and Leasehold Improvements

12 Months Ended

Jun. 30, 2024

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, 2024 and 2023 are summarized as follows:  

	Estimated useful lives (in years)		2024		2023
Machinery and equipment	5 - 10	$	619,064	$	619,064
Furniture and office equipment	5 - 10		337,419		337,419
Tooling	5		3,765,766		4,506,044
Computer & technology equipment	3 - 5		197,073		197,072
Leasehold improvements	3 - 11		3,171,070		2,864,335
Assets in progress	N/A		359,990		256,038
			8,450,382		8,779,972
Less: accumulated depreciation and amortization			7,226,991		7,826,069
Equipment and leasehold improvements, net		$	1,223,391	$	953,903

During the year ended June 30, 2024 and 2023, depreciation expense was $192,272 and $230,292, respectively.