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Note 13 - Income (Loss) per Common Share (Details) - Potential Dilutive Common Shares	3 Months Ended	12 Months Ended
	Jun. 30, 2012	Dec. 31, 2012 Equity Option [Member]	Dec. 31, 2011 Equity Option [Member]	Dec. 31, 2010 Equity Option [Member]
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Stock options	605,005	570,005	552,388	596,388

Securities (including those issuable pursuant to contingent stock agreements) that could potentially dilute basic earnings per share (EPS) or earnings per unit (EPU) in the future that were not included in the computation of diluted EPS or EPU because to do so would increase EPS or EPU amounts or decrease loss per share or unit amounts for the period presented.

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