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Note 9 - Supplementary Income Statement Information	12 Months Ended
	Dec. 31, 2012
Supplemental Balance Sheet Disclosures [Text Block]	Note 9.       Supplementary Income Statement Information Taxes, other than income taxes, of $290,542 and $199,911, were charged to expense during 2012 and 2011, respectively.

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The entire disclosure for supplemental balance sheet disclosures, including descriptions and amounts for assets, liabilities, and equity.

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Period Type:	duration