EQUIPMENT AND LEASEHOLD IMPROVEMENTS (Details) - USD ($)	12 Months Ended
	Jun. 30, 2017	Jun. 30, 2016
Property, Plant and Equipment [Line Items]
Equipment and leasehold improvements, gross	$ 9,117,490	$ 8,885,796
Less: accumulated depreciation and amortization	7,709,399	7,371,324
Equipment and leasehold improvements, net	1,408,091	1,514,472
Machinery and equipment
Property, Plant and Equipment [Line Items]
Equipment and leasehold improvements, gross	593,595	592,189
Furniture and office equipment
Property, Plant and Equipment [Line Items]
Equipment and leasehold improvements, gross	359,041	373,716
Tooling
Property, Plant and Equipment [Line Items]
Equipment and leasehold improvements, gross	4,646,749	4,299,776
Display booths
Property, Plant and Equipment [Line Items]
Equipment and leasehold improvements, gross	253,680	253,680
Computer equipment
Property, Plant and Equipment [Line Items]
Equipment and leasehold improvements, gross	758,820	768,620
Leasehold improvements
Property, Plant and Equipment [Line Items]
Equipment and leasehold improvements, gross	2,317,263	2,387,626
Assets in progress
Property, Plant and Equipment [Line Items]
Equipment and leasehold improvements, gross	$ 188,342	$ 210,189
Minimum [Member] | Machinery and equipment
Property, Plant and Equipment [Line Items]
Estimated useful life	5 years
Minimum [Member] | Furniture and office equipment
Property, Plant and Equipment [Line Items]
Estimated useful life	5 years
Minimum [Member] | Tooling
Property, Plant and Equipment [Line Items]
Estimated useful life	5 years
Minimum [Member] | Display booths
Property, Plant and Equipment [Line Items]
Estimated useful life	5 years
Minimum [Member] | Computer equipment
Property, Plant and Equipment [Line Items]
Estimated useful life	3 years
Minimum [Member] | Leasehold improvements
Property, Plant and Equipment [Line Items]
Estimated useful life	3 years
Maximum [Member] | Machinery and equipment
Property, Plant and Equipment [Line Items]
Estimated useful life	10 years
Maximum [Member] | Furniture and office equipment
Property, Plant and Equipment [Line Items]
Estimated useful life	10 years
Maximum [Member] | Tooling
Property, Plant and Equipment [Line Items]
Estimated useful life	5 years
Maximum [Member] | Display booths
Property, Plant and Equipment [Line Items]
Estimated useful life	5 years
Maximum [Member] | Computer equipment
Property, Plant and Equipment [Line Items]
Estimated useful life	5 years
Maximum [Member] | Leasehold improvements
Property, Plant and Equipment [Line Items]
Estimated useful life	15 years