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Inventory (Tables) | 3 Months Ended
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Mar. 31, 2013
Schedule of Inventory | Inventories consist of the following at March 31, 2013 and December 31, 2012 (in thousands):
|  | March 31, 2013 |  |  | December 31, 2012 |
Raw materials |  | $ | 6,211 |  |  | $ | 5,465 |
Work in progress |  |  | 9,735 |  |  |  | 15,471 |
Finished goods |  |  | 10,067 |  |  |  | 326 |
Finished goods inventory held by others |  |  | 1,422 |  |  |  | — |
|  | $ | 27,435 |  |  | $ | 21,262 |

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- Definition Tabular disclosure of the carrying amount as of the balance sheet date of merchandise, goods, commodities, or supplies held for future sale or to be used in manufacturing, servicing or production process. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 2 -Paragraph 6 -Subparagraph a,b,c -Article 5 + Details
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