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Inventories
3 Months Ended
Mar. 31, 2016
Inventory Disclosure [Abstract]  
Inventories
Inventories

Inventories, net of reserves, as of March 31, 2016 and December 31, 2015 consisted of the following:
 
March 31, 2016
 
December 31, 2015
Current:
 
 
 
Raw materials
$
3,404

 
$
2,735

Finished goods
11,066

 
10,712

 
$
14,470

 
$
13,447

Long-term:
 
 
 
Raw materials
$
438

 
$
375

Finished goods
1,583

 
1,643

 
$
2,021

 
$
2,018



Long-term inventory represents inventory held in excess of our current (next 12 months) requirements based on our recent sales and forecasted level of sales. We expect to sell the above inventory, net of reserves, at or above the stated cost and believe that no loss will be incurred on its sale.

Current finished goods do not include distributor channel inventories in the amounts of approximately $1,445 and $1,628 as of March 31, 2016 and December 31, 2015, respectively. Distributor channel inventories represent inventory at distributors and other customers where revenue recognition criteria have not yet been achieved.

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, 2016 and 2015, respectively.
 
Three months ended March 31,
 
2016
 
2015
Net loss (gain) on valuation of inventory and write-off of obsolete inventory
$
119

 
$
47