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Finite-life Intangible Assets (Details Narrative) - USD ($)
3 Months Ended
Sep. 30, 2020
Jun. 30, 2020
Finite-Lived Intangible Assets [Line Items]    
Accumulated amortization $ 1,151,000 $ 1,119,000
Patents [Member]    
Finite-Lived Intangible Assets [Line Items]    
Estimated useful life 15 years  
Trademarks [Member]    
Finite-Lived Intangible Assets [Line Items]    
Estimated useful life 12 years