Quarterly report pursuant to Section 13 or 15(d)

Short-Term Borrowings and Credit Lines Short-Term Borrowings and Credit Lines (Details)

v2.4.0.6
Short-Term Borrowings and Credit Lines Short-Term Borrowings and Credit Lines (Details) (USD $)
Sep. 30, 2012
Dec. 31, 2011
Sep. 30, 2011
Line of Credit Facility [Line Items]      
Line of Credit Facility, Amount Outstanding $ 10,206,000 $ 0 $ 0
Korean Subsidiary [Member] | Unsecured And Committed Line Of Credit [Member]
     
Line of Credit Facility [Line Items]      
Line of Credit Facility, Maximum Borrowing Capacity 30,000,000    
Line of Credit Facility, Amount Outstanding $ 10,206,000