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ORGANIZATION AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Details)
3 Months Ended 6 Months Ended
Sep. 30, 2020
Sep. 30, 2019
Sep. 30, 2020
Sep. 30, 2019
Net Sales [Member] | Cisco Systems [Member] | Technology Segment [Member]        
Concentration of risk [Abstract]        
Percentage of concentration risk 41.00% 43.00% 40.00% 42.00%