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Equity
3 Months Ended
Sep. 30, 2011
Equity 
Comprehensive Income (Loss) Note [Text Block]
(4)  Comprehensive Income.  Comprehensive income for the third quarter (3Q) and first nine months (9M) of 2011 was $1,554 and $4,964, net of taxes, respectively.  The components used to calculate comprehensive income were foreign currency translation adjustments of ($668) and ($585) in 3Q and 9M 2011, respectively, and unrealized holding gains (losses) of ($15) and ($7) in 3Q and 9M 2011, respectively.