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Note 3 - Short Term Investments Available For Sale (Detail) - Investment income (USD $) In Millions, unless otherwise specified	12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010
Interest and dividend income	$ 429,194	$ 32,289	$ 53,247
Realized losses, net	(376,872)		(7,086)
	$ 52,322	$ 32,289	$ 46,161

Income derived from investments in debt and equity securities and on cash and cash equivalents. Interest income represents earnings which reflect the time value of money or transactions in which the payments are for the use or forbearance of money. Dividend income represents a distribution of earnings to shareholders by investee companies.

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