Significant Customer Information (Tables)

9 Months Ended

Sep. 30, 2012

Significant Customer Information [Abstract]

Schedule of Revenue by Major Customers by Reporting Segments [Table Text Block]

Sales to these customers as a percent of total sales were as follows:

	Three Months Ended September 30,				Nine Months Ended September 30,
	2012		2011		2012		2011
Applied Materials, Inc.	12.0	%	11.0	%	14.7	%	13.0	%
Swinterton Builders, Inc	11.1	%	N/A		N/A		N/A