COMMITMENTS, CONTINGENCIES AND CONCENTRATIONS (Significant customer concentrations as a percentage of total accounts receivable) (Details) - Accounts Receivable - Customer Concentration Risk	9 Months Ended
Jun. 29, 2024	Jul. 01, 2023
Forehope Electronic (Ningbo) Co., Ltd.
Concentration Risk [Line Items]
Customer concentrations risk percentage	23.80%
Tianshui Huatian Technology Co., Ltd.
Concentration Risk [Line Items]
Customer concentrations risk percentage	12.40%
Intel Corporation
Concentration Risk [Line Items]
Customer concentrations risk percentage	10.70%	12.20%
Apple Inc.
Concentration Risk [Line Items]
Customer concentrations risk percentage		10.30%

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.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 280
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 42
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482810/280-10-50-42

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Topic 825
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-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482907/825-10-50-21

Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
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Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef
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Reference 5: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Topic 275
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-Section 50
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-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482861/275-10-50-20

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