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Note 6 - Income Taxes (Details) (USD $)	1 Months Ended	22 Months Ended
Note 6 - Income Taxes (Details) (USD $)	Mar. 31, 2006	Mar. 31, 2009	Jun. 30, 2013	Dec. 31, 2012
Income Tax Disclosure [Abstract]
Accrued Income Taxes			$ 61,649,000	$ 61,649,000
Federal Net Built In Gains Tax			34,057,000	34,057,000
Payments to Acquire Property, Plant, and Equipment		28,805,000
Proceeds from Gain on Condemnation	$ 26,315,000

Carrying amount as of the balance sheet date of the unpaid sum of the known and estimated amounts payable to satisfy all domestic and foreign income tax obligations due. This amount is the total of current and noncurrent accrued income taxes.

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