Note 2 - Acquisition (Detail) - Statement of Net Assets Acquired (at fair value) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2010	Aug. 20, 2010
Assets
Other real estate owned		$ 2,916
Core deposit intangible		5,270
Other assets		2,065
Total Assets	315,083	315,083
Liabilities
Liabilities for interest and other expenses		470
Total Liabilities	314,905	314,905
Net assets acquired	178	178
Cash And Due From Banks [Member]
Assets
Financial Assets		57,895
Money Market Assets [Member]
Assets
Financial Assets		26,050
Securities (Assets) [Member]
Assets
Financial Assets		7,223
Loans Receivable [Member]
Assets
Financial Assets		213,664
Deposits [Member]
Liabilities
Financial Liabilities		252,563
Federal Home Loan Bank Advances [Member]
Liabilities
Financial Liabilities		$ 61,872