Premises and Equipment (Summary of Premises and Equipment) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018
Property, Plant and Equipment [Line Items]
Total premises and equipment	$ 760	$ 747
Less accumulated depreciation and amortization	(544)	(660)
Premises and equipment, net	216	87
Depreciation and amortization expense	43	30
Furniture And Office Equipment [Member]
Property, Plant and Equipment [Line Items]
Total premises and equipment	503	491
Computer System [Member]
Property, Plant and Equipment [Line Items]
Total premises and equipment	214	231
Leasehold Improvements [Member]
Property, Plant and Equipment [Line Items]
Total premises and equipment	$ 43	$ 25