Note 2 - Earnings Per Share and Share Repurchase Plan (Tables)

12 Months Ended

Dec. 31, 2019

Earnings Per Share [Abstract]

Computation of Basic and Diluted Earnings Per Share

The following table sets forth the computation of basic and diluted earnings per share:

Year ended December 31,	2019		2018		2017
Numerator for basic and diluted earnings per share - net income	$	12,357	$	11,335	$	8,289
Denominator for basic earnings per share - weighted average shares    outstanding		3,498,326		3,463,450		3,428,970
Effect of dilutive securities - employee stock options		5,824		19,059		16,841
Denominator for diluted earnings per share - adjusted weighted average    shares outstanding		3,504,150		3,482,509		3,445,811
Earnings per share - basic	$	3.53	$	3.27	$	2.42
Earnings per share - diluted	$	3.53	$	3.25	$	2.41