4. Selected Balance Sheet Elements (Details - Property and equipment) - USD ($)	Jun. 30, 2021	Jun. 30, 2020
Business Combinations [Abstract]
Machinery and equipment	$ 223,141	$ 143,930
Leasehold improvements	323,669	112,366
Computer and office equipment	186,549	52,665
Property and equipment, gross	733,359	308,961
Less: Accumulated depreciation	(243,457)	(68,453)
Property and equipment, net	$ 489,902	$ 240,508

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 amortization of capitalized costs for computer software, including but not limited to, acquired and internally developed computer software.

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Amount before accumulated depreciation of additions or improvements to assets held under a lease arrangement.

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Amount before accumulated depreciation of tangible personal property used to produce goods and services, including, but is not limited to, tools, dies and molds, computer and office equipment.

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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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