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ORGANIZATION AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Details)
3 Months Ended 9 Months Ended
Dec. 31, 2018
Dec. 31, 2017
Dec. 31, 2018
Dec. 31, 2017
Minimum [Member]        
REVENUE RECOGNITION [Abstract]        
Lease criteria, estimated economic life 75.00%   75.00%  
Lease criteria, fair value of lease payments at inception of lease 90.00%   90.00%  
Net Sales [Member] | Cisco Systems [Member]        
Concentration of risk [Abstract]        
Percentage of concentration risk 40.00% 39.00% 42.00% 45.00%