Note 24 - Quarterly Financial Data (Unaudited) (Tables)

12 Months Ended

Dec. 31, 2014

Quarterly Financial Information Disclosure [Abstract]

Schedule of Quarterly Financial Information [Table Text Block]

	Interest		Net Interest		Net		Earnings per Share
	Income		Income		Income		Basic		Diluted
2014
First quarter	$	13,588,000	$	11,064,000	$	3,580,000	$	0.41	$	0.41
Second quarter		18,483,000		15,552,000		1,510,000		0.13		0.13
Third quarter		28,900,000		25,989,000		5,948,000		0.35		0.35
Fourth quarter		28,147,000		25,173,000		6,293,000		0.37		0.37
2013
First quarter	$	14,210,000	$	11,455,000	$	4,401,000	$	0.51	$	0.50
Second quarter		13,992,000		11,312,000		4,016,000		0.46		0.46
Third quarter		14,667,000		11,994,000		3,453,000		0.40		0.40
Fourth quarter		15,373,000		12,695,000		5,163,000		0.59		0.59