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Income Taxes (Details) (USD $) In Thousands, unless otherwise specified | 12 Months Ended |
--- | --- | ---
Dec. 31, 2012 | Dec. 31, 2011 | Dec. 31, 2010
Current: |  |  |
Federal - US | $ 3,633 | $ 4,793 |
Federal - Foreign | 227 | 242 |
State and local | 96 | 117 |
Current income tax expense (benefit) | 3,956 | 5,152 |
Deferred: |  |  |
Federal | 10 | 566 |
State and local | 0 | 4 |
Deferred income tax expense (benefit) | 10 | 570 |
Total income taxes | 3,966 | 5,722 |
Reconciliation of income tax provision: |  |  |
Provision at federal statutory rate - US | 4,133 | 5,525 |
Effect of Mexican income tax penalties, interest and surcharges | 0 | 89 |
Effect of foreign taxes | (169) | 84 |
Other | 2 | 24 |
Tax benefits from share-based compensation | 163 | 322 |
Deferred tax assets | 3,164 | 2,888 | 2,888
Effective income tax rate | 34.00% | 34.00% |
Components of deferred tax assets (liabilities): |  |  |
Accrued liabilities | 661 |  | 687
Accounts receivable | 446 |  | 545
Inventory | 678 |  | 704
Other, net | (87) |  | (93)
Total current asset | 1,698 | 1,843 | 1,843
Property, plant, and equipment | (2,080) |  | (2,197)
Post retirement benefits | 3,662 |  | 3,459
Interest rate swap | 72 |  | 112
Other, net | (188) |  | (329)
Total non-current asset | 1,466 | 1,045 | 1,045
Unrecorded deferred tax liabilities, undistributed foreign earnings | $ 4,174 |  |

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