Annual report pursuant to Section 13 and 15(d)

Product Warranties (Details Textual)

v2.4.0.8
Product Warranties (Details Textual) (USD $)
In Thousands, unless otherwise specified
12 Months Ended
Mar. 31, 2014
Mar. 31, 2013
Product Warranties (Textual) [Abstract]    
Current portions of warranty reserve $ 286 $ 94
Long-term portions of the warranty reserve 42 58
Specific pre-acquisition ANTONE product warranty in excess of acquired limit    $ 303
Westell [Member] | Maximum [Member]
   
Product Warranties (Textual) [Abstract]    
Basic limited warranty maximum range 7 years  
Kentrox [Member] | Maximum [Member]
   
Product Warranties (Textual) [Abstract]    
Basic limited warranty maximum range 1 year  
CSI [Member] | Maximum [Member]
   
Product Warranties (Textual) [Abstract]    
Basic limited warranty maximum range 5 years  
CSI [Member] | Minimum [Member]
   
Product Warranties (Textual) [Abstract]    
Basic limited warranty maximum range 1 year