Annual and transition report of foreign private issuers pursuant to Section 13 or 15(d)

Investments (Tables)

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Investments (Tables)
12 Months Ended
Dec. 31, 2012
Investments, Debt and Equity Securities [Abstract]  
Marketable Securities [Table Text Block]

The following is a summary of investments (current and non-current) at December 31, 2012 and 2011 (in thousands):

      2012       2011
Bonds - short-term investments $       - $       14,602
 
Auction rate securities 1,634   2,000
Bonds - 30,581
Long-term investments 1,634   32,581
 
Total investments $ 1,634 $ 47,183