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Comprehensive income (loss) | 12 Months Ended
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Dec. 31, 2016
Stockholders' Equity Note [Abstract] |
Comprehensive Income (Loss) Note [Text Block] | 11. Comprehensive income (loss) Accumulated other comprehensive loss, as reflected in the consolidated balance sheets, consists of pension liability adjustments, net of taxes, foreign currency translation adjustment and changes in fair value of derivatives, net of taxes. The components of accumulated other comprehensive loss as of December 31, 2016 and 2015, and reclassifications out of other comprehensive income (loss) for the years then ended, are presented below (in thousands):
|  |  |  |  |  | Foreign Currency |  |  |
|  | Pension Liability |  | Fair Value of |  | Translation |  | Accumulated Other |
|  | Adjustment |  | Derivatives |  | Adjustment |  | Comprehensive Loss |
Balance at January 1, 2016 |  | $ | 1,523 |  | $ | (165) |  | $ | (1,442) |  | $ | (84) |
Other comprehensive income (loss) before reclassifications, net of taxes |  |  | - |  |  | (90) |  |  | 49 |  |  | (41) |
Total other comprehensive income (loss) before reclassifications, net of taxes |  |  | 1,523 |  |  | (255) |  |  | (1,393) |  |  | (125) |
Net amount reclassified to earnings |  |  | (136) |  |  | (63) |  |  | - |  |  | (199) |
Balance at December 31, 2016 |  | $ | 1,387 |  | $ | (318) |  | $ | (1,393) |  | $ | (324) |
|  |  |  |  |  | Foreign Currency |  |  |
|  | Pension Liability |  | Fair Value of |  | Translation |  | Accumulated Other |
|  | Adjustment |  | Derivatives |  | Adjustment |  | Comprehensive Loss |
Balance at January 1, 2015 |  | $ | 497 |  | $ | (337) |  | $ | (447) |  | $ | (287) |
Other comprehensive income (loss) before reclassifications, net of taxes |  |  | 1,110 |  |  | (51) |  |  | (995) |  |  | 64 |
Total other comprehensive income (loss) before reclassifications, net of taxes |  |  | 1,607 |  |  | (388) |  |  | (1,442) |  |  | (223) |
Net amount reclassified to earnings |  |  | (84) |  |  | 223 |  |  | - |  |  | 139 |
Balance at December 31, 2015 |  | $ | 1,523 |  | $ | (165) |  | $ | (1,442) |  | $ | (84) |
All reclassifications out of accumulated other comprehensive loss had an impact on direct operating costs in the consolidated statement of operations and comprehensive loss.

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- Definition The entire disclosure for comprehensive income, which includes, but is not limited to, 1) the amount of income tax expense or benefit allocated to each component of other comprehensive income, including reclassification adjustments, 2) the reclassification adjustments for each classification of other comprehensive income and 3) the ending accumulated balances for each component of comprehensive income. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section 45 -Paragraph 15 -URI http://asc.fasb.org/extlink&oid=66004124&loc=d3e689-108580 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section 45 -Paragraph 1A -URI http://asc.fasb.org/extlink&oid=66004124&loc=SL7669619-108580 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section 45 -Paragraph 12 -URI http://asc.fasb.org/extlink&oid=66004124&loc=d3e640-108580 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section 45 -Paragraph 17 -URI http://asc.fasb.org/extlink&oid=66004124&loc=d3e716-108580 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section 45 -Paragraph 16 -URI http://asc.fasb.org/extlink&oid=66004124&loc=d3e709-108580 Reference 6: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.3-04) -URI http://asc.fasb.org/extlink&oid=27012166&loc=d3e187085-122770 Reference 7: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section 45 -Paragraph 11 -URI http://asc.fasb.org/extlink&oid=66004124&loc=d3e637-108580 Reference 8: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section 45 -Paragraph 14 -URI http://asc.fasb.org/extlink&oid=66004124&loc=d3e681-108580 Reference 9: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Reclassification Adjustments -URI http://asc.fasb.org/extlink&oid=6522872 + Details
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