Consolidated Statements of Comprehensive Income (Unaudited) - USD ($) $ in Thousands		3 Months Ended		9 Months Ended
		Sep. 30, 2016	Sep. 30, 2015	Sep. 30, 2016	Sep. 30, 2015
Statement Of Income and Comprehensive Income [Abstract]
Net Income		$ 252	$ 261	$ 439	$ 379
Unrealized holding gains (losses) on available for sale securities
Unrealized holding gains arising during the period		(45)	47	75	27
Reclassification adjustment for net gains included in net income on securities available-for-sale		(24)	(64)	(24)	(64)
Reclassification adjustment for net gains included in net income on securities held-to-maturity		(12)	(42)	(12)	(42)
Net unrealized gain (loss) on available for sale securities		(81)	(59)	39	(79)
Accretion of net unrealized loss on securities transferred to held-to-maturity	[1]	68	(20)	323	(6)
Other comprehensive income (loss), before tax		(13)	(79)	362	(85)
Tax effect		(5)	(143)	128	(150)
Other comprehensive income, net of tax		(8)	64	234	65
Comprehensive income		244	325	673	444
Tax Effect Allocated to Each Component of Other Comprehensive Income
Unrealized holding gains (losses) arising during the period		16	(16)	(25)	(9)
Reclassification adjustment for net gains included in net income on securities available-for-sale		8	22	8	22
Reclassification adjustment for net gains included in net income on securities held-to-maturity		4	14	4	14
Accretion of net unrealized loss on securities transferred to held-to-maturity		(23)	123	(115)	123
Income tax effect related to other comprehensive income		$ 5	$ 143	$ (128)	$ 150

[1] The accretion of the unrealized holding losses in accumulated other comprehensive income at the date of transfer partially offsets the amortization of the difference between the par value and the fair value of the investment securities at the date of transfer, and is an adjustment of yield.