Note 9 - Earnings Per Share (Tables)

12 Months Ended

Dec. 31, 2017

Notes Tables

Schedule of Earnings Per Share, Basic and Diluted [Table Text Block]

	2017		2016
Weighted average common shares outstanding basic earnings per share		6,375,848		6,285,815
Effect of potential common share issuance:
Stock options		11,616		---
Weighted average common shares outstanding
Diluted earnings per share		6,387,464		6,285,815