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Revenue (Details - Percentage of total net revenue) - Revenue Benchmark [Member] - Customer Concentration Risk [Member]
3 Months Ended 9 Months Ended
Mar. 31, 2022
Mar. 31, 2021
Mar. 31, 2022
Mar. 31, 2021
Product [Member]        
Disaggregation of Revenue [Line Items]        
Concentration Risk, Percentage 94.00% 93.00% 94.00% 96.00%
Service [Member]        
Disaggregation of Revenue [Line Items]        
Concentration Risk, Percentage 6.00% 7.00% 6.00% 4.00%