Note 19 - Parent Company Financial Information (Details) - Condensed Statements of Income - USD ($)	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014
Income:
Total income	$ 29,396,294	$ 26,427,020
Expenses:
Interest on junior subordinated debentures	561,694	323,113
Income tax expense (benefit)	1,837,329	1,349,009	[1]
Net income	4,683,213	4,089,622	[1]
Parent Company [Member]
Income:
Equity in earnings of subsidiary	5,099,001	4,347,843
Miscellaneous income	6,885	6,870
Total income	5,105,886	4,354,713
Expenses:
Interest on junior subordinated debentures	561,695	323,113
Miscellaneous expenses	75,170	75,000
Income tax expense (benefit)	(214,192)	(133,022)
Total expense	422,673	265,091
Net income	$ 4,683,213	$ 4,089,622

[1] revised for prior period restatement