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ORGANIZATION AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Details)
3 Months Ended 6 Months Ended
Sep. 30, 2019
Sep. 30, 2018
Sep. 30, 2019
Sep. 30, 2018
Minimum [Member]        
Lessee Accounting [Abstract]        
Operating lease term 3 years   3 years  
Maximum [Member]        
Lessee Accounting [Abstract]        
Operating lease term 6 years   6 years  
Net Sales [Member] | Cisco Systems [Member] | Technology Segment [Member]        
Concentration of risk [Abstract]        
Percentage of concentration risk 43.00% 45.00% 42.00% 43.00%