Note 1 - Summary of Significant Accounting Policies (Tables)

12 Months Ended

Dec. 31, 2017

Notes Tables

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

	20 17		20 16		20 15
Average number of common shares outstanding		6,957,974		6,957,974		6,953,849
Effect of dilutive options		---		---		3,245
Average number of common shares outstanding used to calculate diluted earnings per common share		6,957,974		6,957,974		6,957,094