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Note 13 - Shareholders' Equity - Computation of Income (Loss) Per Share (Details) - USD ($) $ / shares in Units, $ in Thousands	12 Months Ended
	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016
Net income attributable to Common shareholders	$ 3,196	$ 4,147	$ 1,930
Weighted average shares outstanding (in shares)	3,904,052	3,894,222	3,953,281
Basic earnings per common share (in dollars per share)	$ 0.82	$ 1.06	$ 0.49
Net income attributable to Common shareholders	$ 3,196	$ 4,147	$ 1,930
Effect of potentially dilutive restricted common shares (in shares)	11,573	2,963
Weighted average diluted shares outstanding (in shares)	3,915,625	3,897,185	3,953,281
Diluted earnings per common share (in dollars per share)	$ 0.82	$ 1.06	$ 0.49

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The amount of net income (loss) for the period per each share of common stock or unit outstanding during the reporting period.

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