Note 10 - Deposits (Details) - USD ($)	Dec. 31, 2015	Dec. 31, 2014
Disclosure Text Block [Abstract]
Deposit Liabilities Reclassified as Loans Receivable	$ 620,000	$ 540,000
Interest-bearing Domestic Deposit, Brokered	22,000,000	22,200,000
Time Deposits, $100,000 or More	254,900,000	242,600,000
Time Deposits $250,000 or More	$ 87,100,000	$ 77,500,000