Note 24 - Condensed Parent Company Statements - Condensed Statements of Income (Details) - USD ($)	3 Months Ended								12 Months Ended
	Dec. 31, 2018	Sep. 30, 2018	Jun. 30, 2018	Mar. 31, 2018	Dec. 31, 2017	Sep. 30, 2017	Jun. 30, 2017	Mar. 31, 2017	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016
Interest Expense
Other									$ 4,347,155	$ 2,862,144	$ 2,821,923
Income before income taxes	$ 3,008,899	$ 5,324,915	$ (796,558)	$ 1,649,436	$ 1,521,350	$ 2,161,034	$ 2,113,343	$ 1,932,686	9,186,692	7,728,413	7,606,775
Provision for income taxes	$ 624,023	$ 1,390,673	$ (453,574)	$ 293,691	$ 1,102,883	$ 443,651	$ 520,770	$ 503,445	1,854,813	2,570,749	2,012,764
Net Income (Loss) Attributable to Parent, Total									7,331,879	5,157,664	5,594,011
Parent Company [Member]
Dividends from subsidiary bank									14,000,000	2,000,000
Interest Income
Other									31,016	19,017	50,332
									14,031,016	2,019,017	50,332
Interest Expense
Related party									120,503	631,202	579,410
Other									2,773,018	1,158,462	931,816
									2,893,521	1,789,664	1,511,226
Income before income taxes									11,137,495	229,353	(1,460,894)
Provision for income taxes									(780,131)	(689,813)	(435,000)
Income (loss) before equity in undistributed earnings of subsidiaries									11,917,626	919,166	(1,025,894)
Equity in undistributed income (distributions in excess) of subsidiaries									(4,585,747)	4,238,498	6,619,905
Net Income (Loss) Attributable to Parent, Total									$ 7,331,879	$ 5,157,664	$ 5,594,011