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Inventories

3 Months Ended

Mar. 31, 2014

F. Inventories

Our major classes of inventories were as follows as of March 31, 2014 and December 31, 2013 (in thousands):

	March 31, 2014		December 31, 2013
Raw materials	$	4,116	$	3,157
Work in process	8,929		8,322
Finished goods	7,759		5,738
Total inventories	$	20,804	$	17,217

During the three months ended March 31, 2014, we expensed $1.1 million of commercial inventory, which we determined would be solely used in manufacturing process and development activities at our third-party suppliers, which we have recorded in research and development expenses. In addition, we expensed $0.3 million of commercial inventory deemed no longer saleable, which we have recorded in cost of goods sold.

- Definition

The entire disclosure for inventory. This may include, but is not limited to, the basis of stating inventory, the method of determining inventory cost, the major classes of inventory, and the nature of the cost elements included in inventory. If inventory is stated above cost, accrued net losses on firm purchase commitments for inventory and losses resulting from valuing inventory at the lower-of-cost-or-market may also be included. For LIFO inventory, may disclose the amount and basis for determining the excess of replacement or current cost over stated LIFO value and the effects of a LIFO quantities liquidation that impacts net income.

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