Note 12 - Deposits (Details) - Interest Expense on Deposits - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2015	Jun. 30, 2014	Jun. 30, 2015	Jun. 30, 2014
Interest Expense on Deposits [Abstract]
Transaction deposits	$ 16	$ 10	$ 27	$ 20
Money market deposits	22	9	32	18
Savings deposits	3	1	6	4
Time deposits	72	103	152	208
Total interest expense on deposits	$ 113	$ 123	$ 217	$ 250