Inventory
 3 Months Ended 12 Months Ended
Mar. 31, 2012
Dec. 31, 2011
Inventory [Abstract]    
Inventory
 Note 3:  Inventories, Net

The components of inventories are as follows (in thousands):

   
March 31,
2012
 (unaudited)
    
December 31, 2011
  
Raw materials 
  
$
1,268
    
$
1,092
  
Work in process
    
526
      
985
  
Finished goods 
    
1,015
      
689
  
     
2,809
      
2,766
  
Less inventory reserve
    
(9
)
    
(6
)
Total inventories, net
  
$
2,800
    
$
2,760
  


Note 4 - INVENTORY

The components of inventory were as follows (in thousands):

    December 31,
    2011   2010
Raw materials $ 1,092 $ 748
Work in process   985   681
Finished goods   683   476
Total inventory $ 2,760 $ 1,905