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Note 9 - Marketable Securities and Other Investments	9 Months Ended
Note 9 - Marketable Securities and Other Investments	Sep. 30, 2012
Marketable Securities [Table Text Block]	9. Marketable Securities and Other Investments At September 30, 2012, the Company’s investment in marketable securities was $35.8 million which includes an aggregate unrealized gain of $18.5 million relating to marketable equity security investments.

- Definition

Tabular disclosure of marketable securities. This may consist of investments in certain debt and equity securities, short-term investments and other assets.

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