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INVENTORIES (Tables)
 3 Months Ended
Mar. 31, 2013
Inventory Disclosure [Abstract]  
Inventories
Inventories (net of allowance for obsolescence) consisted of the following:
 
 
Dollars in Thousands
 
March 31,
2013
 
December 31,
2012

Finished goods
$
3,725

 
$
4,057

Raw materials and work in process
1,542

 
1,547

Demonstration inventory
127

 
104

 
$
5,394

 
$
5,708

Less allowance for obsolescence
(611
)
 
(616
)
Total
$
4,783

 
$
5,092