Consolidated Statements of Operations (Unaudited) - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2015	Sep. 30, 2014	Sep. 30, 2015	Sep. 30, 2014
Interest income:
Interest and fees on loans	$ 8,357	$ 7,350	$ 24,572	$ 21,632
Interest on taxable securities	743	1,001	2,489	3,230
Interest on tax-exempt securities	592	629	1,793	1,916
Interest on interest-bearing deposits in other banks	40	122	167	386
Total interest income	9,732	9,102	29,021	27,164
Interest expense:
Interest on demand deposits	116	123	339	362
Interest on savings deposits	53	59	162	173
Interest on certificates of deposit	586	650	1,771	1,985
Interest on Federal Home Loan Bank of San Francisco borrowings	475	228	1,187	52
Interest on junior subordinated debentures	47	94	143	281
Total interest expense	1,277	1,154	3,602	2,853
Net interest income	8,455	7,948	25,419	24,311
Provision for loan and lease losses		1,050		2,500
Net interest income after provision for loan and lease losses	8,455	6,898	25,419	21,811
Noninterest income:
Service charges on deposit accounts	52	50	153	135
Fees on payroll and benefit processing	138	127	416	371
Earnings on cash surrender value - life insurance	158	171	482	459
Gain (loss) on investment securities, net	137	32	413	(252)
Other income	323	291	1,079	2,458
Total noninterest income	808	671	2,543	3,171
Noninterest expense:
Salaries and related benefits	3,208	3,520	10,693	10,664
Premises and equipment	714	749	2,157	2,069
Write-down of other real estate owned				290
Federal Deposit Insurance Corporation insurance premium	159	204	544	584
Data processing fees	243	226	736	656
Professional service fees	337	283	1,167	817
Other expenses	913	789	2,992	4,182
Total noninterest expense	5,574	5,771	18,289	19,262
Income before provision for income taxes	3,689	1,798	9,673	5,720
Provision for income taxes	1,164	525	2,957	1,676
Net income	2,525	1,273	6,716	4,044
Less: Preferred stock dividends	50	50	150	150
Income available to common shareholders	$ 2,475	$ 1,223	$ 6,566	$ 3,894
Earnings per share - basic (in Dollars per share)	$ 0.18	$ 0.09	$ 0.49	$ 0.29
Weighted average shares - basic (in Shares)	13,340	13,294	13,327	13,536
Earnings per share - diluted (in Dollars per share)	$ 0.18	$ 0.09	$ 0.49	$ 0.29
Weighted average shares - diluted (in Shares)	13,377	13,339	13,358	13,582