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Major Customers (Tables)

12 Months Ended

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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Schedule of sales concentrations by major customers.

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