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 3 Months Ended
Sep. 30, 2012
Jun. 30, 2013
Mar. 31, 2013
Jun. 30, 2013
Westell [Member]
Maximum [Member]
Jun. 30, 2013
Kentrox [Member]
Product Warranties (Textual) [Abstract]          
Standard Product Warranty Description       P7Y P1Y
Current portions of warranty reserve   $ 157 $ 94    
Non-current portions of the warranty reserve   57 58    
Specific pre-acquisition ANTONE product warranty in excess of acquired limit 303        
ANTONEStandardProductWarrantyAccrual     2    
Indemnification related to warranty claims   $ 303