16. OPERATING SEGMENT INFORMATION (Details - Concentrations) - Sales Revenue, Net [Member] - Distribution [Member]	12 Months Ended
	Sep. 30, 2019	Sep. 30, 2018
Revenue, Major Customer [Line Items]
Concentration Risk	87.00%	84.00%
EMEA Region [Member]
Revenue, Major Customer [Line Items]
Concentration Risk	91.00%	85.00%
Americas [Member]
Revenue, Major Customer [Line Items]
Concentration Risk	82.00%	80.00%
APAC Region [Member]
Revenue, Major Customer [Line Items]
Concentration Risk	85.00%	84.00%
Customer A [Member]
Revenue, Major Customer [Line Items]
Concentration Risk	30.00%	20.00%
Customer A [Member] | EMEA Region [Member]
Revenue, Major Customer [Line Items]
Concentration Risk	49.00%	42.00%
Customer A [Member] | Americas [Member]
Revenue, Major Customer [Line Items]
Concentration Risk	42.00%	36.00%
Customer A [Member] | APAC Region [Member]
Revenue, Major Customer [Line Items]
Concentration Risk	0.00%	0.00%
Customer B [Member]
Revenue, Major Customer [Line Items]
Concentration Risk	19.00%	27.00%
Customer B [Member] | EMEA Region [Member]
Revenue, Major Customer [Line Items]
Concentration Risk	29.00%	30.00%
Customer B [Member] | Americas [Member]
Revenue, Major Customer [Line Items]
Concentration Risk	22.00%	28.00%
Customer B [Member] | APAC Region [Member]
Revenue, Major Customer [Line Items]
Concentration Risk	6.00%	0.00%
Customer C [Member]
Revenue, Major Customer [Line Items]
Concentration Risk	28.00%	27.00%
Customer C [Member] | EMEA Region [Member]
Revenue, Major Customer [Line Items]
Concentration Risk	0.00%	0.00%
Customer C [Member] | Americas [Member]
Revenue, Major Customer [Line Items]
Concentration Risk	3.00%	0.00%
Customer C [Member] | APAC Region [Member]
Revenue, Major Customer [Line Items]
Concentration Risk	76.00%	82.00%
Customer D [Member]
Revenue, Major Customer [Line Items]
Concentration Risk	10.00%	10.00%
Customer D [Member] | EMEA Region [Member]
Revenue, Major Customer [Line Items]
Concentration Risk	13.00%	13.00%
Customer D [Member] | Americas [Member]
Revenue, Major Customer [Line Items]
Concentration Risk	15.00%	16.00%
Customer D [Member] | APAC Region [Member]
Revenue, Major Customer [Line Items]
Concentration Risk	3.00%	2.00%