Note 4 - Property and Equipment - Major Classes of Property and Equipment (Details) - USD ($)	Jun. 30, 2022	Sep. 30, 2021
Computers, furniture and equipment	$ 1,669,066	$ 4,425,348
Less accumulated depreciation	(893,589)	(1,863,774)
Property and equipment, net	775,477	2,561,574
Computers, Furniture, and Equipment [Member]
Computers, furniture and equipment	861,731	549,910
Manufacturing Equipment [Member]
Computers, furniture and equipment	284,275	2,968,838
Leasehold Improvements [Member]
Computers, furniture and equipment	487,081	870,621
Automobiles [Member]
Computers, furniture and equipment	$ 35,979	$ 35,979

Amount of accumulated depreciation, depletion and amortization for physical assets used in the normal conduct of business to produce goods and services.

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Amount before accumulated depreciation, depletion and amortization of physical assets used in the normal conduct of business and not intended for resale. Examples include, but are not limited to, land, buildings, machinery and equipment, office equipment, and furniture and fixtures.

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