8. CONCENTRATIONS (Details - Concentration sales)	3 Months Ended		9 Months Ended		12 Months Ended
	Jun. 30, 2019	Jun. 30, 2018	Jun. 30, 2019	Jun. 30, 2018	Sep. 30, 2018
Sales Revenue, Net [Member] | Distribution [Member]
Revenue, Major Customer [Line Items]
Concentration Risk	89.20%	83.70%	86.10%	84.50%
Sales Revenue, Net [Member] | Design [Member]
Revenue, Major Customer [Line Items]
Concentration Risk	58.90%	56.40%	56.80%	52.50%
Sales Revenue, Net [Member] | Customer 1 [Member] | Distribution [Member]
Revenue, Major Customer [Line Items]
Concentration Risk	26.80%	24.30%	28.90%	27.90%
Sales Revenue, Net [Member] | Customer 1 [Member] | Design [Member]
Revenue, Major Customer [Line Items]
Concentration Risk	23.00%	20.90%	20.50%	18.10%
Sales Revenue, Net [Member] | Customer 2 [Member] | Distribution [Member]
Revenue, Major Customer [Line Items]
Concentration Risk	27.00%	29.80%	28.10%	26.00%
Sales Revenue, Net [Member] | Customer 2 [Member] | Design [Member]
Revenue, Major Customer [Line Items]
Concentration Risk	22.20%	0.50%	13.90%	0.30%
Sales Revenue, Net [Member] | Customer 3 [Member] | Distribution [Member]
Revenue, Major Customer [Line Items]
Concentration Risk	27.30%	17.20%	19.60%	20.10%
Sales Revenue, Net [Member] | Customer 3 [Member] | Design [Member]
Revenue, Major Customer [Line Items]
Concentration Risk	8.60%	13.70%	10.00%	13.60%
Sales Revenue, Net [Member] | Customer 4 [Member] | Distribution [Member]
Revenue, Major Customer [Line Items]
Concentration Risk	8.10%	12.40%	9.50%	10.50%
Sales Revenue, Net [Member] | Customer 4 [Member] | Design [Member]
Revenue, Major Customer [Line Items]
Concentration Risk	17.80%	5.00%	9.40%	10.30%
Sales Revenue, Net [Member] | Customer 5 [Member] | Design [Member]
Revenue, Major Customer [Line Items]
Concentration Risk	0.10%	3.50%	3.00%	10.20%
Accounts Receivable [Member] | Distribution [Member]
Revenue, Major Customer [Line Items]
Concentration Risk			89.90%		85.80%
Accounts Receivable [Member] | Design [Member]
Revenue, Major Customer [Line Items]
Concentration Risk			61.30%		54.60%
Accounts Receivable [Member] | Customer 1 [Member] | Distribution [Member]
Revenue, Major Customer [Line Items]
Concentration Risk			27.70%		29.60%
Accounts Receivable [Member] | Customer 1 [Member] | Design [Member]
Revenue, Major Customer [Line Items]
Concentration Risk			32.80%		28.20%
Accounts Receivable [Member] | Customer 2 [Member] | Distribution [Member]
Revenue, Major Customer [Line Items]
Concentration Risk			23.10%		15.60%
Accounts Receivable [Member] | Customer 2 [Member] | Design [Member]
Revenue, Major Customer [Line Items]
Concentration Risk			28.50%		0.00%
Accounts Receivable [Member] | Customer 3 [Member] | Distribution [Member]
Revenue, Major Customer [Line Items]
Concentration Risk			29.00%		23.60%
Accounts Receivable [Member] | Customer 3 [Member] | Design [Member]
Revenue, Major Customer [Line Items]
Concentration Risk			0.00%		26.40%
Accounts Receivable [Member] | Customer 4 [Member] | Distribution [Member]
Revenue, Major Customer [Line Items]
Concentration Risk			10.10%		17.00%