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Note 8 - Marketable Securities and Other Investments	3 Months Ended
Note 8 - Marketable Securities and Other Investments	Mar. 31, 2013
Marketable Securities [Table Text Block]	8. Marketable Securities and Other Investments At March 31, 2013, the Company’s investment in marketable securities was $76.8 million which includes an aggregate unrealized gain of $26.0 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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