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Inventories (Tables)
 3 Months Ended
Mar. 31, 2014
Inventory Disclosure [Abstract]  
Schedule of inventory, net of reserves
Inventories, net of reserves, as of March 31, 2014 and December 31, 2013 consisted of the following:
 
March 31, 2014
 
December 31, 2013
Current:
 
 
 
Raw materials
$
1,959

 
$
1,362

Finished goods
10,682

 
10,916

 
$
12,641

 
$
12,278

Long-term:
 
 
 
Raw materials
$
256

 
$
227

Finished goods
319

 
324

 
$
575

 
$
551
Schedule of Non-Current Inventory Valuation Losses
The following table summarizes the losses incurred on valuation of inventory at lower of cost or market value and write-off of obsolete inventory during the three months ended March 31, 2014 and 2013, respectively.
 
Three months ended March 31,
 
2014
 
2013
Net loss (gain) on valuation of inventory and write-off of obsolete inventory
$
416

 
$
(34
)