Note 20 - Unaudited Quarterly Operating Results (Tables)

12 Months Ended

Dec. 31, 2017

Notes Tables

Quarterly Financial Information [Table Text Block]

	Year Ended December 31, 2017, Quarter ended
	Mar-17		Jun-17		Sep-17		Dec-17
Interest income	$	6,771,402	$	7,241,508	$	7,525,187	$	7,902,636
Interest expense		1,173,461		1,352,309		1,473,190		2,087,594
Net interest income		5,597,941		5,889,199		6,051,997		5,815,042
Provision for loan losses		475,000		575,000		450,000		250,000
Gain on loans and investment securities		539,102		710,665		858,826		705,583
Other noninterest income, net		690,263		656,395		712,043		854,443
Noninterest expense		4,419,620		4,567,916		5,011,832		5,603,718
Income before income taxes		1,932,686		2,113,343		2,161,034		1,521,350
Provision for income taxes		503,445		520,770		443,651		1,102,883
Net income available to common shareholders	$	1,429,241	$	1,592,573	$	1,717,383	$	418,467
Basic income per common share	$	0.33	$	0.36	$	0.39	$	0.10
Diluted income per common share	$	0.32	$	0.36	$	0.39	$	0.09

	Year Ended December 31, 2016, Quarter ended
	Mar-16		Jun-16		Sep-16		Dec-16
Interest income	$	6,205,045	$	6,204,314	$	6,354,303	$	6,625,664
Interest expense		1,025,411		1,026,782		1,056,181		1,068,638
Net interest income		5,179,634		5,177,532		5,298,122		5,557,026
Provision for loan losses		375,000		375,000		200,000		425,000
Gain on loans and investment securities		470,456		525,644		658,205		544,172
Other noninterest income, net		638,366		653,769		657,296		722,299
Noninterest expense		4,109,476		4,309,394		4,317,707		4,364,169
Income before income taxes		1,803,980		1,672,551		2,095,916		2,034,328
Provision for income taxes		527,375		416,399		554,009		514,981
Net income available to common shareholders	$	1,276,605		1,256,152		1,541,907		1,519,347
Basic income per common share	$	0.29	$	0.29	$	0.35	$	0.35
Diluted income per common share	$	0.29	$	0.28	$	0.35	$	0.34