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Major Customers (Tables) | 12 Months Ended
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Dec. 31, 2012
Revenue, Net [Abstract] |
Major customers | The following table presents sales revenue for the above-mentioned customers for the years ended December 31:
| 2012 |  | 2011
Navistar product sales | $ | 55,002,000 |  |  | $ | 61,978,000 |
Navistar tooling sales | 8,301,000 |  |  | 1,204,000 |
Total Navistar sales | 63,303,000 |  |  | 63,182,000 |
PACCAR product sales | 55,524,000 |  |  | 49,163,000 |
PACCAR tooling sales | 1,728,000 |  |  | 2,250,000 |
Total PACCAR sales | 57,252,000 |  |  | 51,413,000 |
Other product sales | 39,172,000 |  |  | 27,704,000 |
Other tooling sales | 2,723,000 |  |  | 1,122,000 |
Total other sales | 41,895,000 |  |  | 28,826,000 |
Total product sales | 149,698,000 |  |  | 138,845,000 |
Total tooling sales | 12,752,000 |  |  | 4,576,000 |
Total sales | $ | 162,450,000 |  |  | $ | 143,421,000 |

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