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Note 12 - Commitments and Contingencies (Detail) (USD $)				1 Months Ended	3 Months Ended
	Mar. 31, 2013	Oct. 31, 2012	Mar. 31, 2012	Oct. 31, 2012 Land Use Right [Member]	Mar. 31, 2013 Land Use Right [Member]
Letters of Credit Outstanding, Amount			$ 293,000
Restricted Cash and Cash Equivalents	11,900,000		293,000
Agreed Fixed Asset Investments		167,000,000
Finite-Lived Intangible Asset, Useful Life				50 years	50 years
Cost of Initial Phase of New Project		$ 3,000,000
Fixed Asset Investment, Percent Complete		25.00%
Percent of Project Complete		25.00%

The carrying amounts of cash and cash equivalent items which are restricted as to withdrawal or usage. Restrictions may include legally restricted deposits held as compensating balances against borrowing arrangements, contracts entered into with others, or entity statements of intention with regard to particular deposits; however, time deposits and short-term certificates of deposit are not generally included in legally restricted deposits. Excludes compensating balance arrangements that are not agreements which legally restrict the use of cash amounts shown on the balance sheet. This element is for unclassified presentations; for classified presentations there is a separate and distinct element.

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