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COMMITMENTS, CONTINGENCIES AND CONCENTRATIONS (Significant customer concentrations as a percentage of total accounts receivable) (Details) - Accounts Receivable [Member] - Customer Concentration Risk [Member]
12 Months Ended
Sep. 29, 2018
Sep. 30, 2017
Haoseng Industrial Co., Ltd [Member]    
Concentration Risk [Line Items]    
Customer concentrations risk percentage 32.90% 26.20%
Super Power International Ltd [Member]    
Concentration Risk [Line Items]    
Customer concentrations risk percentage 13.60%