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Leasehold commitments | 12 Months Ended
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Dec. 31, 2014
Commitments and Contingencies Disclosure [Abstract] |
Commitments Disclosure [Text Block] | 20. Leasehold commitments As of December 31, 2014,the future minimum leasehold commitments payments are as follows:
Expiration year |  | Amount |
2015 |  |  | 2,305 |
2016 |  |  | 1,714 |
2017 |  |  | 1,585 |
2018 |  |  | 1,621 |
2019 |  |  | 1,669 |
Thereafter |  |  | 14,128 |
Total minimum payments(1) |  |  | 23,022 |
| (1) | Minimum payments have not been reduced by minimum sublease rentals of $2,063 thousand due in the future under non-cancelable subleases.
The following table presents an analysis of all operating leases:
|  | 2014 |  | 2013 |  | 2012 |
Rent expense |  |  | 3,019 |  |  | 2,925 |  |  | 2,468 |
Less: Sublease rentals |  |  | (661) |  |  | (559) |  |  | (386) |
|  |  | 2,358 |  |  | 2,366 |  |  | 2,082 |

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- Definition The entire disclosure for significant arrangements with third parties, which includes operating lease arrangements and arrangements in which the entity has agreed to expend funds to procure goods or services, or has agreed to commit resources to supply goods or services, and operating lease arrangements. Descriptions may include identification of the specific goods and services, period of time covered, minimum quantities and amounts, and cancellation rights. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.25) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 25 -Article 5 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 03 -Paragraph 19 -Article 7 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 03 -Paragraph 17 -Article 9 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03.17) -URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878 Reference 6: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-03.(a)(19)) -URI http://asc.fasb.org/extlink&oid=6879938&loc=d3e572229-122910 + Details
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