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

 
December 31,
2011

Finished goods
$
2,911

 
$
2,608

Raw materials and work in process
1,481

 
1,485

Demonstration inventory
131

 
277

 
$
4,523

 
$
4,370

Less allowance for obsolescence
(509
)
 
(511
)
Total
$
4,014

 
$
3,859