Note 7 - Accrued Interest Receivable (Details) - Accrued Interest Receivable (USD $) In Thousands, unless otherwise specified	Dec. 31, 2014	Dec. 31, 2013
Note 7 - Accrued Interest Receivable (Details) - Accrued Interest Receivable [Line Items]
Accrued interest receivable	$ 4,485	$ 1,473
Loans Receivable [Member]
Note 7 - Accrued Interest Receivable (Details) - Accrued Interest Receivable [Line Items]
Accrued interest receivable	3,909	1,079
Investment Securities [Member]
Note 7 - Accrued Interest Receivable (Details) - Accrued Interest Receivable [Line Items]
Accrued interest receivable	549	359
Deposits in Banks [Member]
Note 7 - Accrued Interest Receivable (Details) - Accrued Interest Receivable [Line Items]
Accrued interest receivable	$ 27	$ 35