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 9 Months Ended
Dec. 31, 2011
Dec. 31, 2011
Westell [Member]
   
Interim Segment Information (Textual) [Abstract]    
Segment received resource costs 72.00% 72.00%
CNS [Member]
   
Interim Segment Information (Textual) [Abstract]    
Segment received resource costs 28.00% 28.00%