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Revenue (Details - Percentage of total net revenue) - Revenue Benchmark [Member] - Customer Concentration Risk [Member]
3 Months Ended 6 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Dec. 31, 2021
Dec. 31, 2020
Product [Member]        
Disaggregation of Revenue [Line Items]        
Concentration Risk, Percentage 96.00% 93.00% 95.00% 93.00%
Service [Member]        
Disaggregation of Revenue [Line Items]        
Concentration Risk, Percentage 4.00% 7.00% 5.00% 7.00%