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Note 8 - Marketable Securities and Other Investments | 6 Months Ended
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Jun. 30, 2013
Table Text Block [Abstract] |
Marketable Securities [Table Text Block] | 8. Marketable Securities and Other Investments At June 30, 2013, the Company’s investment in marketable securities was $71.0 million which includes an aggregate unrealized gain of $25.5 million relating to marketable equity security investments. During the six months ended June 30, 2013, the Company received $10.6 million in proceeds from the sale of certain marketable equity securities. In connection with this transaction, the Company recognized a gain of $5.3 million.

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