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Business Segments And Enterprise-Wide Disclosures (Tables)
3 Months Ended
Jun. 30, 2013
Segment Reporting, Measurement Disclosures [Abstract]  
Information by segment
Certain information by segment was as follows (dollars in thousands):
 
AMI
 
HE
 
Other
 
Total
Three Months Ended June 30, 2013
 
 
 
 
 
 
 
Sales to external customers
$
15,758

 
$
13,084

 
$

 
$
28,842

Gross margin
9,469

 
3,681

 

 
13,150

Income (loss) from operations
1,766

 
2,202

 
(4,987
)
 
(1,019
)
Three Months Ended June 30, 2012
 
 
 
 
 
 
 
Sales to external customers
$
12,611

 
$
10,612

 
$

 
$
23,223

Gross margin
8,317

 
3,195

 

 
11,512

Income (loss) from operations
1,942

 
1,799

 
(4,385
)
 
(644
)