Quarterly report pursuant to Section 13 or 15(d)

Product Warranties (Details Textual)

v2.4.0.8
Product Warranties (Details Textual) (USD $)
In Thousands, unless otherwise specified
3 Months Ended 9 Months Ended 9 Months Ended
Dec. 31, 2012
Dec. 31, 2012
Dec. 31, 2013
Mar. 31, 2013
Dec. 31, 2013
Westell [Member]
Maximum [Member]
Dec. 31, 2013
Kentrox [Member]
Product Warranties (Textual) [Abstract]            
Standard Product Warranty Description         P7Y P1Y
Current portions of warranty reserve     $ 284 $ 94    
Non-current portions of the warranty reserve     73 58    
Specific pre-acquisition ANTONE product warranty in excess of acquired limit    303        
Indemnification related to warranty claims     $ 303