Quarterly Financial Data (Unaudited) Quarterly Financial Data (Unaudited) (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended								12 Months Ended
	Mar. 31, 2017	Dec. 31, 2016	Sep. 30, 2016	Jun. 30, 2016	Mar. 31, 2016	Dec. 31, 2015	Sep. 30, 2015	Jun. 30, 2015	Mar. 31, 2017	Mar. 31, 2016
Total interest income	$ 6,733	$ 6,147	$ 6,326	$ 6,920	$ 7,129	$ 6,823	$ 6,585	$ 6,027	$ 26,126	$ 26,564	[1]
Total interest expense	1,151	1,282	1,223	1,262	1,236	1,188	1,109	1,072	4,918	4,605	[1],[2]
Net interest income	5,582	4,865	5,103	5,658	5,893	5,635	5,476	4,955	21,208	21,959	[1]
Provision for loan losses	521	(128)	(160)	(204)	90	728	643	34	29	1,495	[1],[3],[4]
Total non-interest income	1,150	1,071	1,257	1,140	1,090	2,717	1,048	1,159	4,618	6,014	[1],[3]
Total non-interest expense	8,163	6,957	6,771	6,640	8,413	7,401	6,365	5,938	28,531	28,117	[1]
Income tax expense	82	0	0	37	(31)	67	79	13	119	128	[1],[4]
Net loss	$ (2,034)	$ (893)	$ (251)	$ 325	$ (1,489)	$ 156	$ (563)	$ 129	$ (2,853)	$ (1,767)	[1],[3],[5]
Loss Per Share, Basic (in dollars per share)	$ (0.55)	$ (0.24)	$ (0.07)	$ 0.04	$ (0.40)	$ 0.02	$ (0.15)	$ 0.01	$ (0.77)	$ (0.48)	[1]
Loss Per Share, Diluted (in dollars per share)	$ (0.55)	$ (0.24)	$ (0.07)	$ 0.04	$ (0.40)	$ 0.02	$ (0.15)	$ 0.01	$ (0.77)	$ (0.48)	[1]
Scenario, Previously Reported
Total interest income		$ 6,104	$ 6,284	$ 6,906	$ 6,961	$ 7,009	$ 6,730	$ 6,208		$ 26,908
Total interest expense		1,282	1,401	1,241	1,217	1,171	1,093	1,058		4,539
Net interest income		4,822	4,883	5,665	5,744	5,838	5,637	5,150		22,369
Provision for loan losses		(128)	(160)	(204)	90	728	643	34		1,495
Total non-interest income		1,105	1,278	1,163	1,470	2,741	1,131	1,193		6,535
Total non-interest expense		7,211	6,573	6,587	8,184	7,214	6,202	5,851		27,451
Income tax expense		0	0	37	(31)	67	79	13		128
Net loss		$ (1,156)	$ (252)	$ 408	$ (1,029)	$ 570	$ (156)	$ 445		$ (170)
Loss Per Share, Basic (in dollars per share)		$ (0.31)	$ (0.07)	$ 0.04	$ (0.28)	$ 0.06	$ (0.04)	$ 0.05		$ (0.05)
Loss Per Share, Diluted (in dollars per share)		$ (0.31)	$ (0.07)	$ 0.04	$ (0.28)	$ 0.06	$ (0.04)	$ 0.05		$ (0.05)
Restatement Adjustment
Total interest income		$ 43	$ 42	$ 14	$ 168	$ (186)	$ (145)	$ (181)		$ (344)
Total interest expense		0	(178)	21	19	17	16	14		66
Net interest income		43	220	(7)	149	(203)	(161)	(195)		(410)
Provision for loan losses		0	0	0	0	0	0	0		0
Total non-interest income		(34)	(21)	(23)	(380)	(24)	(83)	(34)		(521)
Total non-interest expense		(254)	198	53	229	187	163	87		666
Income tax expense		0	0	0	0	0	0	0		0
Net loss		$ 263	$ 1	$ (83)	$ (460)	$ (414)	$ (407)	$ (316)		$ (1,597)
Loss Per Share, Basic (in dollars per share)		$ 0.07	$ 0.00	$ 0.00	$ (0.12)	$ (0.04)	$ (0.11)	$ (0.04)		$ (0.43)
Loss Per Share, Diluted (in dollars per share)		$ 0.07	$ 0.00	$ 0.00	$ (0.12)	$ (0.04)	$ (0.11)	$ (0.04)		$ (0.43)

[1] (1) March 31, 2016 balances have been restated from previously reported results to correct for material and certain other errors from prior periods. Refer to Notes 1 and 19 for further detail.

[2] (a) March 31, 2016 balances have been restated from previously reported results to correct for material and certain other errors from prior periods. Refer to Notes 1 and 19 for further detail.

[3] (1) March 31, 2015 and 2016 balances have been restated from previously reported results to correct for material and certain other errors from prior periods. Refer to Notes 1 and 19 for further detail.

[4] (1) March 31, 2016 balances have been restated from previously reported results to correct for material and certain other errors from prior periods. Equity in net loss from subsidiaries was increased and total income was reduced by $1.5 million, interest expense on borrowings and total expense were increased by $66 thousand, and net loss and comprehensive loss were increased $1.6 million. Refer to Notes 1 and 19 for further detail.

[5] (1) March 31, 2016 balances have been restated from previously reported results to correct for material and certain other errors from prior periods. Net loss was increased by $1.6 million, equity in net loss of subsidiaries was increased by $1.5 million and increase in other liabilities was increased by $66 thousand. Refer to Notes 1 and 19 for further detail.