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Loans (Major Classifications of Loans) (Details) - USD ($) $ in Thousands	Jun. 30, 2020	Mar. 31, 2020	Dec. 31, 2019	Jun. 30, 2019	Mar. 31, 2019	Dec. 31, 2018
Subtotal loans	$ 201,806		$ 191,742
Deferred loan fees	(591)		(187)
Allowance for loan losses	(2,542)	$ (2,307)	(2,264)	$ (2,252)	$ (2,188)	$ (2,118)
Net loans	198,673		189,291
Commercial Portfolio Segment [Member]
Subtotal loans	114,615		100,524
Allowance for loan losses	(1,552)	(1,301)	(1,251)	(1,053)	(984)	(940)
Commercial Portfolio Segment [Member] \| Development [Member]
Subtotal loans	14,852		18,222
Commercial Portfolio Segment [Member] \| Real Estate Loan [Member]
Subtotal loans	74,369		68,621
Commercial Portfolio Segment [Member] \| Commercial and Industrial [Member]
Subtotal loans	25,394		13,681
Residential Real Estate and Consumer [Member]
Subtotal loans	87,191		91,218
Allowance for loan losses	(990)	$ (1,006)	(1,013)	$ (1,199)	$ (1,204)	$ (1,178)
Residential Real Estate and Consumer [Member] \| One-to-Four Family Owner-occupied [Member]
Subtotal loans	28,535		29,380
Residential Real Estate and Consumer [Member] \| One-to-Four Family Investor-owned [Member]
Subtotal loans	29,175		28,077
Residential Real Estate and Consumer [Member] \| Multifamily Loan [Member]
Subtotal loans	25,426		29,531
Residential Real Estate and Consumer [Member] \| Consumer [Member]
Subtotal loans	$ 4,055		$ 4,230