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MAJOR CUSTOMERS AND VENDORS - Customers (Details)
6 Months Ended
Mar. 31, 2020
Mar. 31, 2019
Percent of sales 10.00% 10.00%
Customer A    
Percent of sales 55.50% 35.80%
Customer B    
Percent of sales 24.40%
Customer C    
Percent of sales 44.00%
Customer D    
Percent of sales   14.20%