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Concentration of Credit Risk and Major Customers (Tables)
9 Months Ended
Sep. 30, 2012
Concentration Of Credit Risk and Major Customers [Abstract]  
Schedule of Entity Wide Information by Major Customers by Reporting Segments [Table Text Block]

A relatively small number of customers account for a significant percentage of DCT’s sales. Customers that exceeded 10% of total revenues and accounts receivable were as follows:

 

Three Months Ended
September 30,
Nine Months Ended
September 30,
2012 2011 2012 2011
Customer A 31 % 20 % 37 % 18 %
Customer B 17 15 13 14
Customer C 12 12 * 16
Customer D * 11 16 16
Customer E * 23 * 10

 

* Customer accounted for less than 10% for the period indicated.