Note 5 - Stockholders' Equity (Tables)

12 Months Ended

Dec. 31, 2017

Notes Tables

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

	201 7		2016
Weighted average shares outstanding for basic calculation		14,236		14,139
Dilutive effect of stock options		-		-
Weighted average shares outstanding for diluted calculation		14,236		14,139