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Note 2 - Earnings Per Share (Tables)

12 Months Ended

Dec. 31, 2015

Earnings Per Share [Abstract]

Schedule of Weighted Average Number of Shares [Table Text Block]

		2015				2014				2013
Weighted-average common shares outstanding			2,251,365				2,231,165				2,206,392
Average treasury stock shares			(236,399	)			(189,530	)			(189,530	)
Weighted-average common shares and common stock equivalents used to calculate basic earnings per share			2,014,966				2,041,635				2,016,862
Additional common stock equivalents used to calculate diluted earnings per share			9,154				7,871				7,178
Weighted-average common shares and common stock equivalents used to calculate diluted earnings per share			2,024,120				2,049,506				2,024,040

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- References

No definition available.

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- Definition

Tabular disclosure of the weighted average number of shares used in calculating basic net earnings per share (or unit) and diluted earnings per share (or unit).

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 260
-SubTopic 10
-Section 50
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=6371337&loc=d3e3550-109257

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