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Accrued Liabilities | 12 Months Ended
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Dec. 31, 2012
Accrued Liabilities [Abstract] |
Accounts Payable and Accrued Liabilities Disclosure [Text Block] | Accrued Liabilities Accrued liabilities consist of the following at December 31:
|  | 2012 |  | 2011
Salaries and benefits |  | $ | 8,444 |  |  | $ | 7,642 |
Incentive compensation |  | 4,210 |  |  | 3,627 |
Value Added Tax accrual |  | 1,064 |  |  | 1,114 |
Other |  | 4,092 |  |  | 3,676 |
|  | $ | 17,810 |  |  | $ | 16,059 |

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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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