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Other long term obligations (Tables) | 12 Months Ended
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Dec. 31, 2013
Other Liabilities Disclosure [Abstract] |
Schedule of other long term obligations | Other long term obligations are as follows:
|  | December 31, 2013 |  |  | December 31, 2012 |
Liabilities related to equipment leases |  | $ | — |  |  | $ | 209 |
Deferred lease inducements (note 17(b)) |  | 359 |  |  | 466 |
Asset retirement obligation (note 17(c)) |  | 512 |  |  | 466 |
Senior executive stock option plan (note 23(c)) |  | 940 |  |  | 591 |
Restricted share unit plan (note 23(d)) |  | 3,667 |  |  | 1,742 |
Directors' deferred stock unit plan (note 23(e)) |  | 3,662 |  |  | 2,070 |
|  | $ | 9,140 |  |  | $ | 5,544 |
Less current portion of: |  |  |  |
Restricted share unit plan (note 23(d)) |  | (1,933 | ) |  | (503 | )
Directors' deferred share unit plan (note 23(e)) |  | — |  |  | (253 | )
|  | $ | 7,207 |  |  | $ | 4,788 |
Schedule of changes in deferred lease inducements |
|  | December 31, 2013 |  |  | December 31, 2012 |
Balance, beginning of year |  | $ | 466 |  |  | $ | 574 |
Amortization of deferred lease inducements |  | (107 | ) |  | (108 | )
Balance, end of year |  | $ | 359 |  |  | $ | 466 |
Schedule of changes in asset retirement obligation | The following table presents a continuity of the liability for the asset retirement obligation:
|  | December 31, 2013 |  |  | December 31, 2012 |
Balance, beginning of year |  | $ | 466 |  |  | $ | 424 |
Accretion expense |  | 46 |  |  | 42 |
Balance, end of year |  | $ | 512 |  |  | $ | 466 |

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- Definition Schedule of Lease Incentives [Table Text Block] + References No definition available. + Details
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- Definition Schedule of Other Liabilities [Table Text Block] + References No definition available. + Details
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- Details
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- Definition Tabular disclosure of the changes in carrying amount of a liability for asset retirement obligations, for changes such as new obligations, changes in estimates of existing obligations, spending on existing obligations, property dispositions, and foreign currency translation. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 410 -SubTopic 30 -Section 50 -Paragraph 5 -URI http://asc.fasb.org/extlink&oid=6393242&loc=d3e13201-110859 + Details
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