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Business Risk and Credit Risk Concentration Involving Cash (Details) - Customer concentration risk - Revenue
12 Months Ended
Jun. 30, 2019
Jun. 30, 2018
Post-Production Film Company #1    
Concentration Risk [Line Items]    
Concentration risk, percentage 0.00% 48.00%
Aerospace Manufacturing Company    
Concentration Risk [Line Items]    
Concentration risk, percentage 0.00% 52.00%
Post-Production Film Company #2    
Concentration Risk [Line Items]    
Concentration risk, percentage 31.00% 0.00%
Mini Mass Spectrometer Distributor    
Concentration Risk [Line Items]    
Concentration risk, percentage 69.00% 0.00%