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Income Taxes (Tables) | 12 Months Ended
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Dec. 31, 2012
Income Taxes [Abstract] |
Income before provision for income taxes |
|  | Year ended December 31, |
|  | 2012 |  |  | 2011 |  |  | 2010 |
Income (loss) before provision (benefit) for income taxes: |  |  |  |  |  |  |  |  |  |  |  |
United States |  | $ | 7,385 |  |  | $ | 1,633 |  |  | $ | (9,528 | )
Foreign |  |  | 12,956 |  |  |  | 24,472 |  |  |  | 20,513 |
Total |  | $ | 20,341 |  |  | $ | 26,105 |  |  | $ | 10,985 |
Income tax expense (benefit) |
|  | Year ended December 31, |
|  | 2012 |  |  | 2011 |  |  | 2010 |
Current: |  |  |  |  |  |  |  |  |  |  |  |
U.S. Federal |  | $ | (115 | ) |  | $ | — |  |  | $ | — |
State |  |  | 345 |  |  |  | 113 |  |  |  | 183 |
Non-U.S. |  |  | 2,910 |  |  |  | 6,023 |  |  |  | 3,968 |
Total current expense (benefit) |  |  | 3,140 |  |  |  | 6,136 |  |  |  | 4,151 |
Deferred: |  |  |  |  |  |  |  |  |  |  |  |
U.S. Federal |  |  | 2,789 |  |  |  | 534 |  |  |  | (2,732 | )
State |  |  | 12 |  |  |  | 170 |  |  |  | (160 | )
U.S. deferred tax valuation allowance |  |  | (9,814 | ) |  |  | (704 | ) |  |  | 2,892 |
Non-U.S. |  |  | (54 | ) |  |  | (968 | ) |  |  | 418 |
Total deferred expense (benefit) |  |  | (7,067 | ) |  |  | (968 | ) |  |  | 418 |
Total expense (benefit) |  | $ | (3,927 | ) |  | $ | 5,168 |  |  | $ | 4,569 |
Reconciliation of income taxes based on the U.S. federal statutory rate |
|  | Year ended December 31, |
|  | 2012 |  |  | 2011 |  |  | 2010 |
Income taxes at the federal statutory rate |  | $ | 6,916 |  |  | $ | 8,876 |  |  | $ | 3,735 |
Impact of incentive stock options |  |  | 371 |  |  |  | 163 |  |  |  | 52 |
Increase (decrease) in U.S. valuation allowance |  |  | (12,740 | ) |  |  | (704 | ) |  |  | 2,892 |
Decrease in foreign valuation allowance |  |  | — |  |  |  | (1,219 | ) |  |  | (937 | )
Capital gain on return of basis |  |  | 3,079 |  |  |  | — |  |  |  | — |
State income taxes, net of federal taxes |  |  | 334 |  |  |  | 75 |  |  |  | 54 |
Non-U.S. earnings taxed at different rates |  |  | (1,606 | ) |  |  | (2,116 | ) |  |  | (1,650 | )
Change in uncertain tax positions |  |  | (115 | ) |  |  | — |  |  |  | — |
Other permanent differences, net |  |  | (166 | ) |  |  | 93 |  |  |  | 423 |
|  | $ | (3,927 | ) |  | $ | 5,168 |  |  | $ | 4,569 |
The tax effects of the temporary differences |
|  | December 31, |
|  | 2012 |  |  | 2011 |  |  | 2010 |
Deferred income tax liabilities: |  |  |  |  |  |  |  |  |  |  |  |
Tax in excess of book depreciation |  | $ | 6,670 |  |  | $ | 5,099 |  |  | $ | 5,208 |
Goodwill |  |  | 1,987 |  |  |  | 1,821 |  |  |  | 2,209 |
Allowance for bad debts |  |  | — |  |  |  | 18 |  |  |  | 62 |
Other deferred tax liabilities |  |  | 112 |  |  |  | 843 |  |  |  | 387 |
Gross deferred income tax liabilities |  |  | 8,769 |  |  |  | 7,781 |  |  |  | 7,866 |
Deferred income tax assets: |  |  |  |  |  |  |  |  |  |  |  |
Goodwill |  |  | 4,141 |  |  |  | 4,846 |  |  |  | 5,754 |
Inventories |  |  | 768 |  |  |  | 167 |  |  |  | 84 |
Pension/Personnel accruals |  |  | 921 |  |  |  | 503 |  |  |  | 1,084 |
Deductions for uncollectible Eltmann receivables |  |  | — |  |  |  | 310 |  |  |  | — |
Net operating loss carry forwards |  |  | 3,682 |  |  |  | 7,526 |  |  |  | 10,150 |
Foreign tax credits |  |  | 3,844 |  |  |  | 3,326 |  |  |  | 3,326 |
Guarantee claim deduction |  |  | 1,141 |  |  |  | — |  |  |  | — |
Accruals and reserves |  |  | 293 |  |  |  | — |  |  |  | — |
Other deferred tax assets |  |  | 550 |  |  |  | 421 |  |  |  | 356 |
Gross deferred income tax assets |  |  | 15,340 |  |  |  | 17,099 |  |  |  | 20,754 |
Valuation allowance on deferred tax assets |  |  | (2,252 | ) |  |  | (12,066 | ) |  |  | (16,604 | )
Net deferred income tax assets |  |  | 13,088 |  |  |  | 5,033 |  |  |  | 4,150 |
Net deferred income tax assets (liabilities) |  | $ | 4,319 |  |  | $ | (2,748 | ) |  | $ | (3,716 | )
Summary of the activity in the total valuation allowances |
|  | Total Valuation Allowance Activity |
|  | Balance at Beginning of Year |  |  | Additions |  |  | Recoveries |  |  | Deconsolidation of Eltmann subsidiary |  |  | Balance at End of Year |
2012 |  | $ | 12,066 |  |  | $ | — |  |  | $ | (9,814 | ) |  | $ | — |  |  | $ | 2,252 |
2011 |  | $ | 16,604 |  |  | $ | — |  |  | $ | (2,425 | ) |  | $ | (2,113 | ) |  | $ | 12,066 |
2010 |  | $ | 14,649 |  |  | $ | 2,892 |  |  | $ | (937 | ) |  |  | — |  |  | $ | 16,604 |
Summary of reconciliation of the beginning and ending amounts of unrecognized tax benefits, excluding interest and penalties |
|  | 2012 |  |  | 2011 |  |  | 2010 |
Beginning balance |  | $ | 988 |  |  | $ | 953 |  |  | $ | 988 |
Additions for tax positions of prior years |  |  | 428 |  |  |  | 35 |  |  |  | — |
Reductions for tax positions of prior years |  |  | (543 | ) |  |  | — |  |  |  | (35 | )
Ending balance |  | $ | 873 |  |  | $ | 988 |  |  | $ | 953 |

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