Note 6 - Other Real Estate Owned (Details) - Other Real Estate Owned Expense - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Other Real Estate Owned Expense [Abstract]
Operating expense	$ 665	$ 1,142	$ 3,680
Provision/(reversal) for losses	547	1,619	(2,122)
Net gain on transfers and disposals	(2,012)	(4,065)	(1,793)
Total other real estate owned expense	$ (800)	$ (1,304)	$ (235)