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ORGANIZATION AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES, Property, Plant and Equipment (Details) (USD $)
In Thousands, unless otherwise specified
12 Months Ended
Mar. 31, 2014
Mar. 31, 2013
Mar. 31, 2012
CAPITALIZATION OF COSTS OF SOFTWARE TO BE MADE AVAILABLE TO CUSTOMERS [Abstract]      
Capitalized software development costs for software sold to customers $ 305 $ 351  
Capitalized for software sold to customers cost included in other assets 789 642  
GOODWILL AND INTANGIBLE ASSETS [Abstract]      
Reporting units 4    
Concentration Risk [Line Items]      
Concentration benchmark     10.00%
Product sales [Member] | Cisco Systems [Member]
     
Concentration Risk [Line Items]      
Percentage of concentration risk (in hundredths) 48.00% 48.00% 45.00%
Product sales [Member] | Hewlett Packard [Member]
     
Concentration Risk [Line Items]      
Percentage of concentration risk (in hundredths) 10.00% 11.00% 15.00%
Product sales [Member] | NetApp [Member]
     
Concentration Risk [Line Items]      
Percentage of concentration risk (in hundredths) 8.00% 7.00% 7.00%
Total revenue [Member] | Large Telecommunications Company [Member]
     
Concentration Risk [Line Items]      
Percentage of concentration risk (in hundredths) 11.00% 14.00%  
Software capitalized for internal [Member]
     
Finite-Lived Intangible Assets [Line Items]      
Intangible assets 373 171  
Other Assets $ 882 $ 766  
Minimum [Member]
     
Property, Plant and Equipment [Line Items]      
Property, Plant and Equipment, Useful Life 3 years    
Maximum [Member]
     
Property, Plant and Equipment [Line Items]      
Property, Plant and Equipment, Useful Life 10 years    
Technology equipment [Member]
     
Property, Plant and Equipment [Line Items]      
Property, Plant and Equipment, Useful Life 3 years    
Software [Member]
     
Property, Plant and Equipment [Line Items]      
Property, Plant and Equipment, Useful Life 5 years    
Furniture, fixtures and equipment [Member] | Minimum [Member]
     
Property, Plant and Equipment [Line Items]      
Property, Plant and Equipment, Useful Life 5 years    
Furniture, fixtures and equipment [Member] | Maximum [Member]
     
Property, Plant and Equipment [Line Items]      
Property, Plant and Equipment, Useful Life 10 years    
Telecommunications equipment [Member]
     
Property, Plant and Equipment [Line Items]      
Property, Plant and Equipment, Useful Life 7 years