Note C - Loans - Impaired Loans, Segregated by Class of Loans (Details) - USD ($) $ in Thousands	12 Months Ended
Dec. 31, 2022	Dec. 31, 2021
With no related allowance recorded, Unpaid Principal Balance	$ 997	$ 1,286
With no related allowance recorded, Recorded Investment	779	1,219
With no related allowance recorded, Average Recorded Investment	859	1,444
With no related allowance recorded, Interest Income Recognized	32	28
Total by class of loans, Unpaid Principal Balance	2,155	1,485
Total by class of loans, Recorded Investment	1,929	1,418
Total by class of loans, Average Recorded Investment	2,012	1,647
With a related allowance recorded, Unpaid Principal Balance	1,158	199
With a related allowance recorded, Recorded Investment	1,150	199
Related Allowance	124	70
With a related allowance recorded, Average Recorded Investment	1,153	203
Total by class of loans, Interest Income Recognized	32	33
Real estate, mortgage	124	70
With a related allowance recorded, Interest Income Recognized		5
Real Estate, Construction [Member]
With no related allowance recorded, Unpaid Principal Balance	102	272
With no related allowance recorded, Recorded Investment	29	205
With no related allowance recorded, Average Recorded Investment	46	369
With no related allowance recorded, Interest Income Recognized	7	7
Total by class of loans, Unpaid Principal Balance		272
Total by class of loans, Recorded Investment		205
Total by class of loans, Average Recorded Investment		369
With a related allowance recorded, Unpaid Principal Balance	102
With a related allowance recorded, Recorded Investment	29
Related Allowance
With a related allowance recorded, Average Recorded Investment	46
Total by class of loans, Interest Income Recognized	7	7
Real estate, mortgage
Real Estate, Mortgage [Member]
With no related allowance recorded, Unpaid Principal Balance	888	1,014
With no related allowance recorded, Recorded Investment	743	1,014
With no related allowance recorded, Average Recorded Investment	806	1,075
With no related allowance recorded, Interest Income Recognized	25	21
Total by class of loans, Unpaid Principal Balance	1,158	1,213
Total by class of loans, Recorded Investment	1,150	1,213
Total by class of loans, Average Recorded Investment	1,153	1,278
With a related allowance recorded, Unpaid Principal Balance	2,046	199
With a related allowance recorded, Recorded Investment	1,893	199
Related Allowance	124	70
With a related allowance recorded, Average Recorded Investment	1,959	203
Total by class of loans, Interest Income Recognized	25	26
Real estate, mortgage	124	70
With a related allowance recorded, Interest Income Recognized		$ 5
Other Sector [Member]
With no related allowance recorded, Unpaid Principal Balance	7
With no related allowance recorded, Recorded Investment	7
With no related allowance recorded, Average Recorded Investment	7
With a related allowance recorded, Unpaid Principal Balance	7
With a related allowance recorded, Recorded Investment	7
With a related allowance recorded, Average Recorded Investment	$ 7

Average amount of investment of impaired financing receivables with related allowance for credit losses and without a related allowance for credit losses.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 50
-Paragraph 15
-Subparagraph (c)(1)
-URI https://asc.fasb.org/extlink&oid=123577603&loc=d3e5212-111524

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 50
-Paragraph 17
-URI https://asc.fasb.org/extlink&oid=123577603&loc=d3e5258-111524

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