Note 10 - Allowance for Loan Losses and Credit Quality Information (Details) - Troubled Debt Restructurings (USD $)	Jun. 30, 2014	Dec. 31, 2013
Financing Receivable, Modifications [Line Items]
Accrual	$ 2,162,000	$ 3,780,000
Non-Accrual	10,636,000	15,449,000
Total	12,798,000	19,229,000
1-4 Family [Member]
Financing Receivable, Modifications [Line Items]
Accrual	282,000	285,000
Non-Accrual	1,188,000	624,000
Total	1,470,000	909,000
Commercial Real Estate [Member]
Financing Receivable, Modifications [Line Items]
Accrual	1,000,000	2,642,000
Non-Accrual	8,689,000	13,817,000
Total	9,689,000	16,459,000
Consumer [Member]
Financing Receivable, Modifications [Line Items]
Accrual	240,000	180,000
Non-Accrual	527,000	533,000
Total	767,000	713,000
Commercial Business [Member]
Financing Receivable, Modifications [Line Items]
Accrual	640,000	673,000
Non-Accrual	232,000	475,000
Total	$ 872,000	$ 1,148,000