8. CONCENTRATIONS (Details - Concentration sales)	3 Months Ended		6 Months Ended		12 Months Ended
	Mar. 31, 2020	Mar. 31, 2019	Mar. 31, 2020	Mar. 31, 2019	Sep. 30, 2019
Sales Revenue, Net [Member] | Distribution [Member]
Revenue, Major Customer [Line Items]
Concentration Risk	85.00%	85.00%	84.40%	83.60%
Sales Revenue, Net [Member] | Design [Member]
Revenue, Major Customer [Line Items]
Concentration Risk	59.60%	37.60%	57.20%	44.50%
Sales Revenue, Net [Member] | Customer 1 [Member] | Distribution [Member]
Revenue, Major Customer [Line Items]
Concentration Risk	15.90%	29.90%	23.60%	28.70%
Sales Revenue, Net [Member] | Customer 1 [Member] | Design [Member]
Revenue, Major Customer [Line Items]
Concentration Risk	13.60%	23.20%	18.40%	18.60%
Sales Revenue, Net [Member] | Customer 2 [Member] | Distribution [Member]
Revenue, Major Customer [Line Items]
Concentration Risk	37.00%	28.70%	35.60%	30.00%
Sales Revenue, Net [Member] | Customer 2 [Member] | Design [Member]
Revenue, Major Customer [Line Items]
Concentration Risk	16.30%	7.90%	12.80%	10.50%
Sales Revenue, Net [Member] | Customer 3 [Member] | Distribution [Member]
Revenue, Major Customer [Line Items]
Concentration Risk	20.50%	15.30%	16.90%	14.60%
Sales Revenue, Net [Member] | Customer 3 [Member] | Design [Member]
Revenue, Major Customer [Line Items]
Concentration Risk	0.00%	1.40%	0.00%	11.40%
Sales Revenue, Net [Member] | Customer 4 [Member] | Distribution [Member]
Revenue, Major Customer [Line Items]
Concentration Risk	11.60%	11.10%	8.30%	10.30%
Sales Revenue, Net [Member] | Customer 4 [Member] | Design [Member]
Revenue, Major Customer [Line Items]
Concentration Risk	21.10%	0.00%	15.40%	0.00%
Sales Revenue, Net [Member] | Customer 5 [Member] | Design [Member]
Revenue, Major Customer [Line Items]
Concentration Risk	8.60%	5.10%	10.60%	4.00%
Accounts Receivable [Member] | Distribution [Member]
Revenue, Major Customer [Line Items]
Concentration Risk	86.30%				89.50%
Accounts Receivable [Member] | Design [Member]
Revenue, Major Customer [Line Items]
Concentration Risk	60.00%				48.40%
Accounts Receivable [Member] | Customer 1 [Member] | Distribution [Member]
Revenue, Major Customer [Line Items]
Concentration Risk	21.80%				21.20%
Accounts Receivable [Member] | Customer 1 [Member] | Design [Member]
Revenue, Major Customer [Line Items]
Concentration Risk	9.70%				33.70%
Accounts Receivable [Member] | Customer 2 [Member] | Distribution [Member]
Revenue, Major Customer [Line Items]
Concentration Risk	28.70%				29.00%
Accounts Receivable [Member] | Customer 2 [Member] | Design [Member]
Revenue, Major Customer [Line Items]
Concentration Risk	36.10%				5.90%
Accounts Receivable [Member] | Customer 3 [Member] | Distribution [Member]
Revenue, Major Customer [Line Items]
Concentration Risk	23.20%				23.60%
Accounts Receivable [Member] | Customer 3 [Member] | Design [Member]
Revenue, Major Customer [Line Items]
Concentration Risk	14.20%				8.80%
Accounts Receivable [Member] | Customer 4 [Member] | Distribution [Member]
Revenue, Major Customer [Line Items]
Concentration Risk	12.60%				15.70%