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Short-Term Borrowings and Credit Lines Short-Term Borrowings and Credit Lines (Details) (USD $)
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Sep. 30, 2012
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Dec. 31, 2011
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Sep. 30, 2011
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| Line of Credit Facility [Line Items] | |||
| Line of Credit Facility, Amount Outstanding | $ 10,206,000 | $ 0 | $ 0 |
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Korean Subsidiary [Member] | Unsecured And Committed Line Of Credit [Member]
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| 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 |
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- Definition
Amount borrowed under the credit facility as of the balance sheet date. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Details
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| X | ||||||||||
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- Definition
Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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