Note 20 - Other Expenses - Other Expenses (Details) - USD ($)	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Directors compensation	$ 238,704	$ 232,826	$ 235,060
Outside services	139,737	164,930	122,715
Legal expense	292,451	313,520	249,572
Deposit expense	81,725	80,879	78,892
Office supplies	123,334	129,988	160,727
Telephone	145,396	143,411	183,732
Postage	149,783	197,775	175,614
Insurance	183,380	161,032	113,610
Supervisory exam	68,320	63,619	67,222
Accounting	350,370	387,102	453,000
Organization dues	181,155	170,017	172,259
Loan expense	415,436	417,736	410,177
Contributions	132,200	82,200	60,000
ATM expense	307,999	252,192	245,892
Other operating	1,235,821	1,007,578	1,210,112
Other Expenses, Total	$ 4,045,811	$ 3,804,805	$ 3,938,584