Note 19 - Other Expenses - Other Expenses (Details) - USD ($)	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Directors compensation	$ 232,826	$ 235,060	$ 231,479
Outside services	164,930	122,715	73,966
Legal expense	313,520	249,572	261,088
Deposit expense	80,879	78,892	110,897
Office supplies	129,988	160,727	105,780
Telephone	143,411	183,732	173,160
Postage	197,775	175,614	138,864
Insurance	161,032	113,610	118,483
Supervisory exam	63,619	67,222	55,849
Accounting	387,102	453,000	207,652
Organization dues	170,017	172,259	155,121
Loan expense	417,736	410,177	361,389
Contributions	82,200	60,000	60,000
ATM expense	252,192	245,892	170,455
Other operating	1,007,578	1,210,112	637,961
	$ 3,804,805	$ 3,938,584	$ 2,862,144