Note 4 - Loans Receivable (Details) - Related Party Loans - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Related Party Loans [Abstract]
Balance at beginning of year	$ 8,753	$ 8,762	$ 9,128
Additions	295	500	51
Repayments	(527)	(509)	(417)
Balance at end of year	$ 8,521	$ 8,753	$ 8,762