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8. CONCENTRATIONS (Details - Concentration sales)
 3 Months Ended 9 Months Ended 12 Months Ended
Jun. 30, 2020
Jun. 30, 2019
Jun. 30, 2020
Jun. 30, 2019
Sep. 30, 2019
Sales Revenue, Net [Member] | Distribution [Member]          
Revenue, Major Customer [Line Items]          
Concentration Risk 62.60% 81.10% 70.60% 76.60%  
Sales Revenue, Net [Member] | Design [Member]          
Revenue, Major Customer [Line Items]          
Concentration Risk 55.50% 53.80% 49.70% 44.40%  
Sales Revenue, Net [Member] | Customer 1 [Member] | Distribution [Member]          
Revenue, Major Customer [Line Items]          
Concentration Risk 24.90% 26.80% 31.20% 28.90%  
Sales Revenue, Net [Member] | Customer 1 [Member] | Design [Member]          
Revenue, Major Customer [Line Items]          
Concentration Risk 11.10% 23.00% 16.20% 20.50%  
Sales Revenue, Net [Member] | Customer 2 [Member] | Distribution [Member]          
Revenue, Major Customer [Line Items]          
Concentration Risk 21.90% 27.00% 22.90% 28.10%  
Sales Revenue, Net [Member] | Customer 2 [Member] | Design [Member]          
Revenue, Major Customer [Line Items]          
Concentration Risk 1.10% 22.20% 0.50% 13.90%  
Sales Revenue, Net [Member] | Customer 3 [Member] | Distribution [Member]          
Revenue, Major Customer [Line Items]          
Concentration Risk 15.80% 27.30% 16.50% 19.60%  
Sales Revenue, Net [Member] | Customer 3 [Member] | Design [Member]          
Revenue, Major Customer [Line Items]          
Concentration Risk 14.30% 8.60% 13.30% 10.00%  
Sales Revenue, Net [Member] | Customer 4 [Member] | Design [Member]          
Revenue, Major Customer [Line Items]          
Concentration Risk 29.00% 0.00% 19.70% 0.00%  
Accounts Receivable [Member] | Distribution [Member]          
Revenue, Major Customer [Line Items]          
Concentration Risk 82.80%       89.50%
Accounts Receivable [Member] | Design [Member]          
Revenue, Major Customer [Line Items]          
Concentration Risk 69.90%       54.30%
Accounts Receivable [Member] | Customer 1 [Member] | Distribution [Member]          
Revenue, Major Customer [Line Items]          
Concentration Risk 23.70%       29.00%
Accounts Receivable [Member] | Customer 1 [Member] | Design [Member]          
Revenue, Major Customer [Line Items]          
Concentration Risk 6.30%       33.70%
Accounts Receivable [Member] | Customer 2 [Member] | Distribution [Member]          
Revenue, Major Customer [Line Items]          
Concentration Risk 20.10%       21.20%
Accounts Receivable [Member] | Customer 3 [Member] | Distribution [Member]          
Revenue, Major Customer [Line Items]          
Concentration Risk 24.50%       23.60%
Accounts Receivable [Member] | Customer 4 [Member] | Distribution [Member]          
Revenue, Major Customer [Line Items]          
Concentration Risk 14.50%       15.70%
Accounts Receivable [Member] | Customer 4 [Member] | Design [Member]          
Revenue, Major Customer [Line Items]          
Concentration Risk 39.90%       5.90%
Accounts Receivable [Member] | Customer 5 [Member] | Design [Member]          
Revenue, Major Customer [Line Items]          
Concentration Risk 13.20%       8.80%
Accounts Receivable [Member] | Customer 6 [Member] | Design [Member]          
Revenue, Major Customer [Line Items]          
Concentration Risk 10.50%       5.90%