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Business Segments and Major Customers (Details 2) (Customer Concentration Risk, Sales, net)	3 Months Ended		9 Months Ended
	Sep. 30, 2012	Sep. 30, 2011	Sep. 30, 2012	Sep. 30, 2011
Customer A
Concentration Risk
Revenue from major customer as a percentage of total revenue	38.00%	25.00%	38.00%	30.00%
Customer B
Concentration Risk
Revenue from major customer as a percentage of total revenue		25.00%		11.00%
Customer C
Concentration Risk
Revenue from major customer as a percentage of total revenue		12.00%
Customer D
Concentration Risk
Revenue from major customer as a percentage of total revenue				11.00%
Customer E
Concentration Risk
Revenue from major customer as a percentage of total revenue			10.00%	11.00%

X

- Details

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X

- Definition

Percentage of revenue generated from a single external customer that accounts for 10 percent or more of an entity's revenues.

+ References

No definition available.

+ Details

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