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INVENTORY
12 Months Ended
Dec. 31, 2013
Inventory, Net [Abstract]  
Inventory
INVENTORY

 
 
As of December 31,
 
 
2012
 
2013
Raw materials
 
$
3,281

 
$
2,771

Work-in-process
 
782

 
506

Finished goods
 
1,043

 
1,263

 
 
$
5,106

 
$
4,540



No inventory impairment was recorded in 2011. During 2012 the Company recorded an inventory impairment charge of $357 of which $349 was in the Company's GridSense segment and is included in Cost of Sales - Products. During 2013 the Company recorded an inventory impairment charge of $1,121 of which $958 was in the Company's Oil & Gas Sensor Systems segment (included in Cost of Sales - Projects), $152 in its GridSense segment (included in Cost of Sales - Products) and $11 in its Power Generation Monitoring segment (included in Cost of Sales - Products). At December 31, 2012 and 2013, the Company's inventory reserve was $316 and $1,139, respectively.