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Income taxes (Tables) | 12 Months Ended
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Dec. 31, 2013
Income Tax Disclosure [Abstract] |
Schedule of Components of Income Tax Expense (Benefit) [Table Text Block] | The significant components of the provision for (benefit from) income taxes for each of the three years in the period ended December 31, 2013 are as follows (in thousands):
|  |  | 2013 |  |  | 2012 |  |  | 2011 |
Current income tax expense: |  |  |  |  |  |  |  |  |  |
Foreign |  | $ | 946 |  | $ | 1,912 |  | $ | 2,129 |
Federal |  |  | (24) |  |  | - |  |  | 48 |
State and local |  |  | 13 |  |  | 11 |  |  | 12 |
|  |  | 935 |  |  | 1,923 |  |  | 2,189 |
Deferred income tax expense (benefit): |  |  |  |  |  |  |  |  |  |
Foreign |  |  | (493) |  |  | (69) |  |  | - |
Federal |  |  | 4,530 |  |  | (738) |  |  | (352) |
State and local |  |  | 479 |  |  | 34 |  |  | (476) |
|  |  | 4,516 |  |  | (773) |  |  | (828) |
Provision for income taxes |  | $ | 5,451 |  | $ | 1,150 |  | $ | 1,361 |
Schedule of Effective Income Tax Rate Reconciliation [Table Text Block] | The reconciliation of the U.S. statutory rate with the Company’s effective tax rate for each of the three years ended December 31, 2013 is summarized as follows:
|  | 2013 |  | 2012 |  | 2011 |
Federal statutory rate |  | (34.0) | % | 34.0 | % | 34.0 | %
Effect of: |  |  |  |  |  |  |
State income taxes (net of federal tax benefit) |  | (2.1) |  | 3.0 |  | 3.0 |
Taxes on foreign income at rates that differ from U.S. statutory rate |  | (0.6) |  | (21.8) |  | (18.3) |
Change in valuation allowance on deferred tax assets |  | 106.3 |  | - |  | - |
Increase in unrecognized tax benefits |  | 1.6 |  | 1.4 |  | 9.0 |
Other |  | 2.6 |  | 0.2 |  | (1.9) |
Effective tax rate |  | 73.8 | % | 16.8 | % | 25.8 | %
Schedule of Deferred Tax Assets and Liabilities [Table Text Block] | Deferred tax assets and liabilities are classified as current or non-current according to the classification of the related asset or liability. Significant components of the Company’s deferred tax assets and liabilities as of December 31, 2013 and 2012 are as follows (in thousands):
|  |  | 2013 |  |  | 2012 |
Deferred income tax assets: |  |  |  |  |  |  |
Allowances not currently deductible |  | $ | 388 |  | $ | 367 |
Depreciation and amortization |  |  | 106 |  |  | 414 |
Equity compensation not currently deductible |  |  | 1,080 |  |  | 864 |
Impairment |  |  | 1,912 |  |  | - |
Net operating loss carryforwards |  |  | 4,479 |  |  | 2,622 |
Expenses not deductible until paid |  |  | 974 |  |  | 1,305 |
Tax credit carryforwards |  |  | 176 |  |  | 176 |
Derivatives |  |  | 213 |  |  | - |
Other |  |  | 113 |  |  | 204 |
Total gross deferred income tax assets before valuation allowance |  |  | 9,441 |  |  | 5,952 |
Valuation allowance |  |  | (8,060) |  |  | - |
Net deferred income tax assets |  |  | 1,381 |  |  | 5,952 |
Deferred income tax liabilities: |  |  |  |  |  |  |
Derivatives |  |  | - |  |  | (46) |
Other |  |  | (247) |  |  | (193) |
Totals |  |  | (247) |  |  | (239) |
Net deferred tax assets |  | $ | 1,134 |  | $ | 5,713 |
Net deferred income tax asset-current |  | $ | 45 |  | $ | 1,104 |
Net deferred income tax asset-long term |  |  | 1,336 |  |  | 4,848 |
Net deferred income tax liability-current |  |  | (57) |  |  | (57) |
Net deferred income tax liability-long term |  |  | (190) |  |  | (182) |
Net deferred income tax assets |  | $ | 1,134 |  | $ | 5,713 |
Schedule of Income before Income Tax, Domestic and Foreign [Table Text Block] | United States and foreign components of income (loss) before provision for income taxes for each of the three years ended December 31, (in thousands) are as follows:
|  |  | 2013 |  |  | 2012 |  |  | 2011 |
United States |  | $ | (8,482) |  | $ | (1,920) |  | $ | (2,476) |
Foreign |  |  | 1,098 |  |  | 8,759 |  |  | 7,747 |
Totals |  | $ | (7,384) |  | $ | 6,839 |  | $ | 5,271 |
Schedule of Unrecognized Tax Benefits Roll Forward [Table Text Block] | The following table represents a roll forward of the Company’s unrecognized tax benefits and associated interest for the years ended (amounts in thousands):
|  | December 31, |
|  |  | 2013 |  |  | 2012 |
Balance at beginning of year |  | $ | 2,350 |  | $ | 2,278 |
Increases for tax position in prior years |  |  | 300 |  |  | - |
Decrease for tax position in prior years |  |  | - |  |  | (60) |
Interest accrual |  |  | 57 |  |  | 132 |
Foreign currency revaluation |  |  | (254) |  |  | - |
Balance at end of year |  | $ | 2,453 |  | $ | 2,350 |

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- Definition Tabular disclosure of the components of income tax expense attributable to continuing operations for each year presented including, but not limited to: current tax expense (benefit), deferred tax expense (benefit), investment tax credits, government grants, the benefits of operating loss carryforwards, tax expense that results from allocating certain tax benefits either directly to contributed capital or to reduce goodwill or other noncurrent intangible assets of an acquired entity, adjustments of a deferred tax liability or asset for enacted changes in tax laws or rates or a change in the tax status of the entity, and adjustments of the beginning-of-the-year balances of a valuation allowance because of a change in circumstances that causes a change in judgment about the realizability of the related deferred tax asset in future years. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 9 -URI http://asc.fasb.org/extlink&oid=6907707&loc=d3e32639-109319 + Details
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- Definition Tabular disclosure of the components of net deferred tax asset or liability recognized in an entity's statement of financial position, including the following: the total of all deferred tax liabilities, the total of all deferred tax assets, the total valuation allowance recognized for deferred tax assets. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6907707&loc=d3e32537-109319 + Details
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- Definition Tabular disclosure of the reconciliation using percentage or dollar amounts of the reported amount of income tax expense attributable to continuing operations for the year to the amount of income tax expense that would result from applying domestic federal statutory tax rates to pretax income from continuing operations. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 12 -URI http://asc.fasb.org/extlink&oid=6907707&loc=d3e32687-109319 + Details
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- Definition Tabular disclosure of income before income tax between domestic and foreign jurisdictions. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.4-08.(h)(1)(i)) -URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690 + Details
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- Definition Tabular disclosure of the change in unrecognized tax benefits. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 55 -Paragraph 217 -URI http://asc.fasb.org/extlink&oid=32707879&loc=d3e36027-109320 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 15A -URI http://asc.fasb.org/extlink&oid=6907707&loc=SL6600010-109319 + Details
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