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PROPERTY AND EQUIPMENT
 12 Months Ended
Sep. 30, 2022
PROPERTY AND EQUIPMENT  
PROPERTY AND EQUIPMENT

5. PROPERTY AND EQUIPMENT

 

Property and equipment as of September 30, 2022 and 2021 was comprised of the following:

 

 

 

Estimated Useful Lives

 

September 30, 2022

 

 

September 30, 2021

 

Machinery and equipment

 

2-3 years

 

$1,510,265

 

 

$654,798

 

Leasehold improvements

 

5 years

 

 

3,612

 

 

 

3,612

 

Furniture and fixtures

 

5 years

 

 

26,855

 

 

 

26,855

 

Less: accumulated depreciation

 

 

 

 

(677,755)

 

 

(356,761)

 

 

 

 

$862,977

 

 

$328,504

 

 

Total depreciation expense was $320,995 and $99,693 for the years ended September 30, 2022 and 2021, respectively. All equipment is used primarily for research and development purposes and accordingly $304,637 in depreciation is classified in research and development expenses during the year ending September 30, 2022.