COMMITMENTS, CONTINGENCIES AND CONCENTRATIONS (Significant customer concentrations as a percentage of total accounts receivable) (Details) - Accounts Receivable [Member] - Customer Concentration Risk [Member]		6 Months Ended
		Mar. 28, 2020	Mar. 30, 2019
Xinye(HK) Electronics.Co [Member]
Concentration Risk [Line Items]
Customer concentrations risk percentage	[1]	17.30%
Super Power International [Member]
Concentration Risk [Line Items]
Customer concentrations risk percentage	[1]		12.50%
Micron Technology, Inc [Member] [Member]
Concentration Risk [Line Items]
Customer concentrations risk percentage			19.40%
Haoseng Industrial Company Limited [Member]
Concentration Risk [Line Items]
Customer concentrations risk percentage	[1]	12.30%

[1] Distributor of the Company's products.