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Geographic Segment Data (Tables)
12 Months Ended
Dec. 31, 2012
Segment Reporting [Abstract]  
Schedule of Segment Reporting Information, by Segment [Table Text Block]

Sales and selected financial information by geographic area for the years ended December 31, 2012 and 2011, respectively, are:

 

    United States     United Kingdom (UK)     Europe (Excluding UK)     Mexico     Consolidated  
Year ended 12/31/12                                        
Sales to outside customers   $ 35,527,000     $ 2,427,000     $ 817,000     $ 10,772,000     $ 49,543,000  
Total Assets   $ 27,708,000     $ 1,133,000     $ 1,057,000     $ 7,849,000     $ 37,747,000  
                                         
      United States       United Kingdom (UK)       Europe (Excluding UK)       Mexico       Consolidated  
Year ended 12/31/11                                        
Sales to outside customers   $ 34,657,000     $ 1,838,000     $ 376,000     $ 10,300,000     $ 47,171,000  
Total Assets   $ 25,302,000     $ 734,000     $ 464,000     $ 7,116,000     $ 33,616,000