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COMMITMENTS, CONTINGENCIES AND CONCENTRATIONS (Significant customer concentrations as a percentage of net revenue) (Details) - Revenue Benchmark - Customer Concentration Risk [Member]		6 Months Ended
		Apr. 03, 2021	Mar. 28, 2020
ASE Technology Holding
Concentration Risk [Line Items]
Customer concentrations risk percentage		21.70%
Haoseng Industrial Company Limited [Member]
Concentration Risk [Line Items]
Customer concentrations risk percentage	[1]	10.00%
Xinye(HK) Electronics.Co [Member]
Concentration Risk [Line Items]
Customer concentrations risk percentage	[1]		10.60%
[1] Distributor of the Company's products.

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

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- Definition

For an entity that discloses a concentration risk in relation to quantitative amount, which serves as the "benchmark" (or denominator) in the equation, this concept represents the concentration percentage derived from the division.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 280
-SubTopic 10
-Section 50
-Paragraph 42
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