Annual report pursuant to Section 13 and 15(d)

Goodwill and Intagnible Assets (Details)

v2.4.0.6
Goodwill and Intagnible Assets (Details) (USD $)
In Thousands, unless otherwise specified
 3 Months Ended 12 Months Ended
Dec. 31, 2012
Sep. 30, 2012
Jun. 30, 2012
Mar. 31, 2013
Mar. 31, 2012
Mar. 31, 2011
Goodwill [Line Items]            
Gross goodwill           $ 12,915
Accumulated impairment           (11,032)
Accumulated currency traslation adjustment on Goodwill           314
Goodwill       0 801 2,197
Goodwill, Period Increase (Decrease)       0 (1,374)  
Goodwill, Acquired During Period       2,086    
Goodwill, Translation Adjustments       (3) (22)  
Goodwill impairment 0 0 0 2,884    
Conference Plus Restructuring [Member]
            
Goodwill [Line Items]            
Gross goodwill           1,052
ConferencePlus [Member]
            
Goodwill [Line Items]            
Accumulated impairment           0
Accumulated currency traslation adjustment on Goodwill           0
Goodwill       0 0 1,052
Goodwill, Period Increase (Decrease)       0 (1,052)  
Goodwill, Acquired During Period       0    
Goodwill, Translation Adjustments       0 0  
Goodwill impairment       0    
ConferencePlus Global Services [Member]
            
Goodwill [Line Items]            
Gross goodwill           322
Accumulated impairment           0
Accumulated currency traslation adjustment on Goodwill           0
Goodwill       0 0 322
Goodwill, Period Increase (Decrease)       0 (322)  
Goodwill, Acquired During Period       0    
Goodwill, Translation Adjustments       0 0  
Goodwill impairment       0    
Noran Tel [Member]
            
Goodwill [Line Items]            
Gross goodwill           1,890
Accumulated impairment           (1,381)
Accumulated currency traslation adjustment on Goodwill           314
Goodwill       0 801 823
Goodwill, Period Increase (Decrease)       (798) 0  
Goodwill, Acquired During Period       0    
Goodwill, Translation Adjustments       (3) (22)  
Goodwill impairment       0    
Westell [Member]
            
Goodwill [Line Items]            
Gross goodwill           9,651
Accumulated impairment           (9,651)
Accumulated currency traslation adjustment on Goodwill           0
Goodwill       0 0 0
Goodwill, Period Increase (Decrease)       798 0  
Goodwill, Acquired During Period       2,086    
Goodwill, Translation Adjustments       0 0  
Goodwill impairment       $ 2,884