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Inventories (Tables) | 12 Months Ended
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Dec. 31, 2015
Inventory Disclosure [Abstract] |
Components of inventory | Inventories are as follows (in thousands):
| December 31,
| 2015 |  | 2014
Raw materials | $ | 44,997 |  |  | $ | 50,195 |
Work-in-process | 3,069 |  |  | 3,129 |
Finished goods | 37,426 |  |  | 32,634 |
Inventories, net | $ | 85,492 |  |  | $ | 85,958 |
Schedule of changes in the reserve for excess and obsolete inventory | Changes in the reserve for excess and obsolete inventory are as follows (in thousands):
| Year ended December 31,
| 2015 |  | 2014 |  | 2013
Balance, beginning of year | $ | — |  |  | $ | 2,744 |  |  | $ | 2,752 |
Charged to costs and expenses | — |  |  | 358 |  |  | 1,330 |
Deductions | — |  |  | (3,102 | ) |  | (1,338 | )
Balance, end of the year | $ | — |  |  | $ | — |  |  | $ | 2,744 |

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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 FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6361739&loc=d3e7789-107766 Reference 2: 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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