Consolidated Statements of Operations (Unaudited) (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2013	Jun. 30, 2012	Jun. 30, 2013	Jun. 30, 2012
Interest income:
Interest and fees on loans	$ 7,352	$ 8,288	$ 14,999	$ 16,660
Interest on tax-exempt securities	656	585	1,279	1,165
Interest on U.S. government securities	381	408	765	799
Interest on other securities	772	794	1,595	1,526
Total interest income	9,161	10,075	18,638	20,150
Interest expense:
Interest on demand deposits	112	153	251	310
Interest on savings deposits	62	105	133	221
Interest on certificates of deposit	654	1,005	1,351	2,070
Interest on securities sold under repurchase agreements	2	7	6	13
Interest on Federal Home Loan Bank borrowings	(48)	(47)	(79)	103
Interest on other borrowings	93	138	184	194
Total interest expense	875	1,361	1,846	2,911
Net interest income	8,286	8,714	16,792	17,239
Provision for loan losses	1,400	1,650	2,450	2,950
Net interest income after provision for loan and lease losses	6,886	7,064	14,342	14,289
Noninterest income:
Service charges on deposit accounts	54	50	100	97
Payroll and benefit processing fees	114	118	242	273
Earnings on cash surrender value - Bank owned life insurance	112	114	268	227
Gain on investment securities, net	406	542	595	1,187
Merchant credit card service income, net	32	38	65	73
Other income	307	320	579	604
Total noninterest income	1,025	1,182	1,849	2,461
Noninterest expense:
Salaries and related benefits	3,074	2,595	5,998	5,653
Occupancy and equipment expense	529	473	1,103	1,015
OREO write down	0	425	0	425
Federal Deposit Insurance Corporation insurance premium	245	198	333	410
Data processing fees	136	115	270	185
Professional service fees	294	304	563	607
Deferred compensation expense	0	146	0	290
Other expenses	870	1,060	2,343	2,556
Total noninterest expense	5,148	5,316	10,610	11,141
Income from continuing operations before provision for income taxes	2,763	2,930	5,581	5,609
Provision for income taxes	757	857	1,535	1,660
Net Income from continuing operations	2,006	2,073	4,046	3,949
Discontinued Operations:
Income from discontinued operations	0	622	0	1,281
Income tax expense associated with income from discontinued operations	0	271	0	570
Net income from discontinued operations	0	351	0	711
Less: Net income from discontinued operations attributable to non-controlling interest	0	172	0	348
Net income from discontinued operations attributable to controlling interest	0	179	0	363
Net income attributable to Bank of Commerce Holdings	2,006	2,252	4,046	4,312
Less: Preferred dividends and accretion on preferred stock	50	248	100	434
Net Income available to common shareholders	$ 1,956	$ 2,004	$ 3,946	$ 3,878
Basic earnings per share attributable to continuing operations	$ 0.13	$ 0.11	$ 0.26	$ 0.21
Basic earnings per share attributable to discontinued operations	$ 0.00	$ 0.01	$ 0.00	$ 0.02
Average basic shares	15,120	16,302	15,401	16,553
Diluted earnings per share attributable to continuing operations	$ 0.13	$ 0.11	$ 0.26	$ 0.21
Diluted earnings per share attributable to discontinued operations	$ 0.00	$ 0.01	$ 0.00	$ 0.02
Average diluted shares	15,139	16,302	15,419	16,553