Consolidated Statements of Operations (Unaudited) - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2015	Jun. 30, 2014	Jun. 30, 2015	Jun. 30, 2014
Interest income:
Interest and fees on loans	$ 8,304	$ 7,188	$ 16,215	$ 14,282
Interest on taxable securities	801	1,112	1,746	2,229
Interest on tax-exempt securities	602	635	1,201	1,287
Interest on interest-bearing due from banks	56	127	127	264
Total interest income	9,763	9,062	19,289	18,062
Interest expense:
Interest on demand deposits	107	118	223	239
Interest on savings deposits	55	57	109	114
Interest on certificates of deposit	594	673	1,185	1,335
Interest on Federal Home Loan Bank of San Francisco borrowings	363	(69)	712	(176)
Interest on junior subordinated debentures	49	93	96	187
Total interest expense	1,168	872	2,325	1,699
Net interest income	8,595	8,190	16,964	16,363
Provision for loan and lease losses		1,450		1,450
Net interest income after provision for loan and lease losses	8,595	6,740	16,964	14,913
Noninterest income:
Service charges on deposit accounts	52	41	101	85
Payroll and benefit processing fees	130	109	278	244
Earnings on cash surrender value - life insurance	159	162	324	288
Gain (loss) on investment securities, net	61	(39)	276	(284)
Other income	479	1,863	756	2,167
Total noninterest income	881	2,136	1,735	2,500
Noninterest expense:
Salaries and related benefits	3,575	3,464	7,485	7,144
Premises and equipment	709	678	1,443	1,320
Write down of other real estate owned	91			290
Federal Deposit Insurance Corporation insurance premium	178	189	385	380
Data processing fees	251	227	493	430
Professional service fees	442	304	830	534
Deferred compensation	71	68	142	125
Other expenses	896	921	1,937	3,268
Total noninterest expense	6,122	5,851	12,715	13,491
Income before provision for income taxes	3,354	3,025	5,984	3,922
Provision for income taxes	964	819	1,793	1,151
Net income	2,390	2,206	4,191	2,771
Less: Preferred stock dividends	50	50	100	100
Income available to common shareholders	$ 2,340	$ 2,156	$ 4,091	$ 2,671
Earnings per share - basic (in Dollars per share)	$ 0.18	$ 0.16	$ 0.31	$ 0.20
Weighted average shares - basic (in Shares)	13,338	13,378	13,320	13,658
Earnings per share - diluted (in Dollars per share)	$ 0.18	$ 0.16	$ 0.31	$ 0.19
Weighted average shares - diluted (in Shares)	13,370	13,426	13,353	13,705