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Accrued Liabilities | 6 Months Ended
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Jun. 30, 2013
Accrued Liabilities | Note 7. Accrued Liabilities Accrued liabilities at June 30, 2013, and December 31, 2012, consisted of the following (in thousands):
|  | June 30, |  |  | December 31, |
|  | 2013 |  |  | 2012 |
Accrued compensation and related costs |  | $ | 1,985 |  |  | $ | 2,692 |
Accrued inventory costs |  |  | 3,305 |  |  |  | 2,352 |
Accrued contract and other accrued expenses |  |  | 3,458 |  |  |  | 2,575 |
Total accrued liabilities |  | $ | 8,748 |  |  | $ | 7,619 |

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- Definition The entire disclosure for accounts payable and accrued liabilities at the end of the reporting period. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 19 -Subparagraph a -Article 5 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.19(a),20,24) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 20, 24 -Article 5 + Details
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