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Equipment and Leasehold Improvements (Details) - USD ($)	12 Months Ended
	Jun. 30, 2021	Jun. 30, 2020
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	$ 9,530,327	$ 8,930,172
Less: accumulated depreciation and amortization	8,249,147	7,946,531
Equipment and leasehold improvements, net	1,281,180	983,641
Machinery and Equipment [Member]
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	$ 593,595	593,595
Machinery and Equipment [Member] | Minimum [Member]
Property, Plant and Equipment [Line Items]
Estimated useful lives (in years)	5 years
Machinery and Equipment [Member] | Maximum [Member]
Property, Plant and Equipment [Line Items]
Estimated useful lives (in years)	10 years
Furniture and Office Equipment [Member]
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	$ 357,351	357,351
Furniture and Office Equipment [Member] | Minimum [Member]
Property, Plant and Equipment [Line Items]
Estimated useful lives (in years)	5 years
Furniture and Office Equipment [Member] | Maximum [Member]
Property, Plant and Equipment [Line Items]
Estimated useful lives (in years)	10 years
Tooling [Member]
Property, Plant and Equipment [Line Items]
Estimated useful lives (in years)	5 years
Property, plant and equipment, gross	$ 4,407,535	4,310,917
Computer & Technology Equipment [Member]
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	$ 821,371	658,028
Computer & Technology Equipment [Member] | Minimum [Member]
Property, Plant and Equipment [Line Items]
Estimated useful lives (in years)	3 years
Computer & Technology Equipment [Member] | Maximum [Member]
Property, Plant and Equipment [Line Items]
Estimated useful lives (in years)	5 years
Leasehold Improvements [Member]
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	$ 3,074,421	2,682,933
Leasehold Improvements [Member] | Minimum [Member]
Property, Plant and Equipment [Line Items]
Estimated useful lives (in years)	3 years
Leasehold Improvements [Member] | Maximum [Member]
Property, Plant and Equipment [Line Items]
Estimated useful lives (in years)	10 years
Assets in Progress [Member]
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	$ 276,054	$ 327,348

X

- Definition

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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Useful life of long lived, physical assets used in the normal conduct of business and not intended for resale, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. Examples include, but not limited to, land, buildings, machinery and equipment, office equipment, furniture and fixtures, and computer equipment.

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