Quarterly report pursuant to Section 13 or 15(d)

Interim Segment Information (Details Textual)

v2.4.0.6
Interim Segment Information (Details Textual)
3 Months Ended
Jun. 30, 2012
Jun. 30, 2011
Westell [Member]
   
Segment Reporting (Textual) [Abstract]    
Segment received resource costs   72.00%
CNS [Member]
   
Segment Reporting (Textual) [Abstract]    
Segment allocated resource costs 28.00% 28.00%