XML 62 R26.htm IDEA: XBRL DOCUMENT v3.22.4
Depreciation and Amortization
12 Months Ended
Sep. 30, 2022
Disclosure of attribution of expenses by nature to their function [abstract]  
Depreciation and Amortization [Text Block]

19.  Depreciation and Amortization

The following table presents total depreciation and amortization expense of property and equipment, intangible assets, and right-of-use assets by function:

    2022     2021     2020  
General and administrative $ 123,960   $ 95,310   $ 89,307  
Selling and marketing   129,265     16,443     -  
Research and development   73,266     29,237     14,090  
Total depreciation and amortization $ 326,491   $ 140,990   $ 103,397