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Note 3 - Loans - Summary of Loan Classes and an Aging of Past Due Loans (Details) - USD ($) $ in Thousands	Jun. 30, 2021	Dec. 31, 2020	Jun. 30, 2020
Loans	$ 617,348	$ 629,914	$ 651,516
Non-accrual loans	2,102	6,714
Accruing loans past due 90 days or more amounted	5	302
Financial Asset, 30 to 59 Days Past Due [Member]
Loans	416	824
Financial Asset, 60 to 89 Days Past Due [Member]
Loans	292	297
Financial Asset, Equal to or Greater than 90 Days Past Due [Member]
Loans	27	461
Financial Asset, Past Due [Member]
Loans	735	1,582
Financial Asset, Not Past Due [Member]
Loans	616,613	628,332
Real Estate 1 [Member] | Construction and Land Development [Member]
Loans	25,035	27,328	31,981
Non-accrual loans	0	276
Accruing loans past due 90 days or more amounted	0	0
Real Estate 1 [Member] | Construction and Land Development [Member] | Financial Asset, 30 to 59 Days Past Due [Member]
Loans	0	47
Real Estate 1 [Member] | Construction and Land Development [Member] | Financial Asset, 60 to 89 Days Past Due [Member]
Loans	46	20
Real Estate 1 [Member] | Construction and Land Development [Member] | Financial Asset, Equal to or Greater than 90 Days Past Due [Member]
Loans	0	0
Real Estate 1 [Member] | Construction and Land Development [Member] | Financial Asset, Past Due [Member]
Loans	46	67
Real Estate 1 [Member] | Construction and Land Development [Member] | Financial Asset, Not Past Due [Member]
Loans	24,989	27,261
Real Estate 1 [Member] | Secured by Multi-family Residential Properties [Member]
Loans	235,158	235,814	234,188
Non-accrual loans	410	449
Accruing loans past due 90 days or more amounted	0	298
Real Estate 1 [Member] | Secured by Multi-family Residential Properties [Member] | Financial Asset, 30 to 59 Days Past Due [Member]
Loans	267	657
Real Estate 1 [Member] | Secured by Multi-family Residential Properties [Member] | Financial Asset, 60 to 89 Days Past Due [Member]
Loans	76	125
Real Estate 1 [Member] | Secured by Multi-family Residential Properties [Member] | Financial Asset, Equal to or Greater than 90 Days Past Due [Member]
Loans	22	324
Real Estate 1 [Member] | Secured by Multi-family Residential Properties [Member] | Financial Asset, Past Due [Member]
Loans	365	1,106
Real Estate 1 [Member] | Secured by Multi-family Residential Properties [Member] | Financial Asset, Not Past Due [Member]
Loans	234,793	234,708
Real Estate 1 [Member] | Other Real Estate Loans [Member]
Loans	245,455	246,883	248,495
Non-accrual loans	158	4,441
Accruing loans past due 90 days or more amounted	0	0
Real Estate 1 [Member] | Other Real Estate Loans [Member] | Financial Asset, 30 to 59 Days Past Due [Member]
Loans	122	0
Real Estate 1 [Member] | Other Real Estate Loans [Member] | Financial Asset, 60 to 89 Days Past Due [Member]
Loans	150	131
Real Estate 1 [Member] | Other Real Estate Loans [Member] | Financial Asset, Equal to or Greater than 90 Days Past Due [Member]
Loans	0	133
Real Estate 1 [Member] | Other Real Estate Loans [Member] | Financial Asset, Past Due [Member]
Loans	272	264
Real Estate 1 [Member] | Other Real Estate Loans [Member] | Financial Asset, Not Past Due [Member]
Loans	245,183	246,619
Commercial and Industrial Loans [Member]
Loans	102,966	109,838	124,706
Non-accrual loans	1,534	1,548
Accruing loans past due 90 days or more amounted	0	0
Commercial and Industrial Loans [Member] | Financial Asset, 30 to 59 Days Past Due [Member]
Loans	11	104
Commercial and Industrial Loans [Member] | Financial Asset, 60 to 89 Days Past Due [Member]
Loans	0	0
Commercial and Industrial Loans [Member] | Financial Asset, Equal to or Greater than 90 Days Past Due [Member]
Loans	0	0
Commercial and Industrial Loans [Member] | Financial Asset, Past Due [Member]
Loans	11	104
Commercial and Industrial Loans [Member] | Financial Asset, Not Past Due [Member]
Loans	102,955	109,734
Consumer and Other Loans [Member]
Loans	8,734	10,051	$ 12,146
Non-accrual loans	0	0
Accruing loans past due 90 days or more amounted	5	4
Consumer and Other Loans [Member] | Financial Asset, 30 to 59 Days Past Due [Member]
Loans	16	16
Consumer and Other Loans [Member] | Financial Asset, 60 to 89 Days Past Due [Member]
Loans	20	21
Consumer and Other Loans [Member] | Financial Asset, Equal to or Greater than 90 Days Past Due [Member]
Loans	5	4
Consumer and Other Loans [Member] | Financial Asset, Past Due [Member]
Loans	41	41
Consumer and Other Loans [Member] | Financial Asset, Not Past Due [Member]
Loans	$ 8,693	$ 10,010

X

- Definition

Amount of financing receivable 90 days or more past due and still accruing.

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