Note 1 - Summary of Significant Accounting Policies (Tables)

12 Months Ended

Dec. 31, 2014

Accounting Policies [Abstract]

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

	2014		2013		2012
Average number of common shares outstanding		6,948,789		6,947,974		6,942,411
Effect of dilutive options		10,345		20,419		17,456
Average number of common shares outstanding used to calculate diluted earnings per common share		6,959,134		6,968,393		6,959,867