Note 12 - Other Noninterest Expenses (Details) - Noninterest Expense - Other Expenses (USD $) In Thousands, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2014	Jun. 30, 2013	Jun. 30, 2014	Jun. 30, 2013
Noninterest Expense - Other Expenses [Abstract]
FDIC insurance expense	$ 228	$ 152	$ 613	$ 324
Data processing fees	957	651	1,952	1,317
Loan and OREO expenses	28	218	84	440
Amortization of core deposit intangible	305		624
Telecommunication expenses	405	304	753	592
Professional fees	522	419	1,192	960
Travel and educational expenses	273	251	555	503
Marketing and advertising expenses	426	240	595	440
Acquisition transaction costs	69	581	309	782
All other noninterest expenses	1,795	1,733	3,394	3,383
Total other noninterest expenses	$ 5,008	$ 4,549	$ 10,071	$ 8,741