Note 13 - Fair Value of Financial Instruments - Schedule of Fair Value by Balance Sheet Grouping (Details) - USD ($)	Jun. 30, 2023	Dec. 31, 2022
Available For Sale ("AFS")	$ 541,952,626	$ 550,148,284
Reported Value Measurement [Member]
Cash and Cash Equivalents	77,180,000	28,502,000
Certificates of Deposits with Other Banks	1,100,000	1,100,000
Available For Sale ("AFS")	541,953,000	550,148,000
Investment Securities HTM	176,623,000	167,438,000
Loans Receivable, Net	588,445,000	549,004,000
FHLB Stock	659,000	651,000
Land Held for Sale	1,097,000	1,097,000
Checking, Savings & Money Market Accounts	950,364,000	968,054,000
Certificates of Deposits	229,109,000	142,031,000
Borrowings from FRB	69,200,000	44,080,000
Other Borrowed Money	17,890,000	27,588,000
Subordinated Debentures	26,500,000	26,500,000
Junior Subordinated Debentures	5,155,000	5,155,000
Estimate of Fair Value Measurement [Member] | Fair Value, Inputs, Level 1 [Member]
Cash and Cash Equivalents	77,180,000	28,502,000
Certificates of Deposits with Other Banks	0	0
Available For Sale ("AFS")	0	0
Investment Securities HTM	0	0
Loans Receivable, Net	0	0
FHLB Stock	659,000	651,000
Land Held for Sale	0	0
Checking, Savings & Money Market Accounts	950,364,000	968,054,000
Certificates of Deposits	0	0
Borrowings from FRB	68,716,000	44,071,000
Other Borrowed Money	17,890,000	27,588,000
Subordinated Debentures	0	0
Junior Subordinated Debentures	0	0
Estimate of Fair Value Measurement [Member] | Fair Value, Inputs, Level 2 [Member]
Cash and Cash Equivalents	0	0
Certificates of Deposits with Other Banks	1,100,000	1,100,000
Available For Sale ("AFS")	541,953,000	550,148,000
Investment Securities HTM	170,589,000	161,464,000
Loans Receivable, Net	0	0
FHLB Stock	0	0
Land Held for Sale	0	0
Checking, Savings & Money Market Accounts	0	0
Certificates of Deposits	226,115,000	138,382,000
Borrowings from FRB	0	0
Other Borrowed Money	0	0
Subordinated Debentures	22,741,000	24,435,000
Junior Subordinated Debentures	5,155,000	5,155,000
Estimate of Fair Value Measurement [Member] | Fair Value, Inputs, Level 3 [Member]
Cash and Cash Equivalents	0	0
Certificates of Deposits with Other Banks	0	0
Available For Sale ("AFS")	0	0
Investment Securities HTM	0	0
Loans Receivable, Net	567,659,000	528,174,000
FHLB Stock	0	0
Land Held for Sale	1,097,000	1,097,000
Checking, Savings & Money Market Accounts	0	0
Certificates of Deposits	0	0
Borrowings from FRB	0	0
Other Borrowed Money	0	0
Subordinated Debentures	0	0
Junior Subordinated Debentures	$ 0	$ 0