Note 8 - Business Segments (Detail) - Segment reporting in information, by segment (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2013	Mar. 31, 2012	Dec. 31, 2012
Interest Income	$ 19,123	$ 18,756
Gains on sales of loans	4,797	4,103
Expenses:
Interest expense	2,148	2,839
Salaries and employee benefits	10,165	9,742
Income (loss) before income taxes	5,864	5,518
Provision for (benefit from) income taxes	1,858	1,738
Total assets	993,377		977,018
Retail Banking [Member]
Interest Income	7,816	8,066
Other noninterest income	1,711	1,566
Total operating income	9,527	9,632
Expenses:
Interest expense	1,544	2,158
Provision for loan losses	400	750
Salaries and employee benefits	4,142	4,006
Other noninterest expenses	3,025	2,909
Total operating expenses	9,111	9,823
Income (loss) before income taxes	416	(191)
Provision for (benefit from) income taxes	(280)	(498)
Net income (loss)	696	307
Total assets	830,597	786,829
Capital expenditures	1,205	173
Mortgage Banking [Member]
Interest Income	427	574
Gains on sales of loans	4,797	4,103
Other noninterest income	1,078	1,115
Total operating income	6,302	5,792
Expenses:
Interest expense	92	106
Provision for loan losses	30	75
Salaries and employee benefits	3,841	3,582
Other noninterest expenses	1,429	1,332
Total operating expenses	5,392	5,095
Income (loss) before income taxes	910	697
Provision for (benefit from) income taxes	364	279
Net income (loss)	546	418
Total assets	59,674	75,864
Capital expenditures	101	51
consumer finance (Member)
Interest Income	12,172	11,340
Other noninterest income	298	260
Total operating income	12,470	11,600
Expenses:
Interest expense	1,616	1,550
Provision for loan losses	2,750	1,900
Salaries and employee benefits	1,990	1,876
Other noninterest expenses	1,114	923
Total operating expenses	7,470	6,249
Income (loss) before income taxes	5,000	5,351
Provision for (benefit from) income taxes	1,950	2,087
Net income (loss)	3,050	3,264
Total assets	282,991	254,913
Capital expenditures	19	58
All Other Segments [Member]
Other noninterest income	310	337
Total operating income	310	337
Expenses:
Interest expense	188	249
Salaries and employee benefits	192	278
Other noninterest expenses	392	151
Total operating expenses	772	678
Income (loss) before income taxes	(462)	(341)
Provision for (benefit from) income taxes	(176)	(130)
Net income (loss)	(286)	(211)
Total assets	3,493	3,077
Capital expenditures	2
Elimination (Member)
Interest Income	(1,292)	(1,224)
Other noninterest income		2
Total operating income	(1,292)	(1,222)
Expenses:
Interest expense	(1,292)	(1,224)
Total operating expenses	(1,292)	(1,224)
Income (loss) before income taxes		2
Net income (loss)		2
Total assets	(183,378)	(175,212)
Consolidated (Member)
Interest Income	19,123	18,756
Gains on sales of loans	4,797	4,103
Other noninterest income	3,397	3,280
Total operating income	27,317	26,139
Expenses:
Interest expense	2,148	2,839
Provision for loan losses	3,180	2,725
Salaries and employee benefits	10,165	9,742
Other noninterest expenses	5,960	5,315
Total operating expenses	21,453	20,621
Income (loss) before income taxes	5,864	5,518
Provision for (benefit from) income taxes	1,858	1,738
Net income (loss)	4,006	3,780
Total assets	993,377	945,471
Capital expenditures	$ 1,327	$ 282