Note 6 - Loans Held for Sale (Details) - Delinquent and Non-Performing Loans Sold During the Period Indicated (USD $) In Thousands, unless otherwise specified	3 Months Ended	9 Months Ended
	Sep. 30, 2013	Sep. 30, 2014	Sep. 30, 2013
Note 6 - Loans Held for Sale (Details) - Delinquent and Non-Performing Loans Sold During the Period Indicated [Line Items]
Loans sold	7	16	61
Proceeds	$ 4,326	$ 7,332	$ 22,876
Net charge-offs	(178)	263	(4,558)
Net gain (loss)	1		(40)
Multi-Family Residential [Member]
Note 6 - Loans Held for Sale (Details) - Delinquent and Non-Performing Loans Sold During the Period Indicated [Line Items]
Loans sold	2	7	17
Proceeds	2,079	3,216	9,138
Net charge-offs	65	(70)	(1,036)
Net gain (loss)			6
Commercial Real Estate Loans [Member]
Note 6 - Loans Held for Sale (Details) - Delinquent and Non-Performing Loans Sold During the Period Indicated [Line Items]
Loans sold	1	3	8
Proceeds	760	2,047	4,223
Net charge-offs		295	(564)
Net gain (loss)	6		6
One-To-Four Family - Mixed-Use Property [Member]
Note 6 - Loans Held for Sale (Details) - Delinquent and Non-Performing Loans Sold During the Period Indicated [Line Items]
Loans sold	4	6	34
Proceeds	1,487	2,069	9,449
Net charge-offs	(243)	38	(2,773)
Net gain (loss)	(5)		(52)
Commercial Business And Other [Member]
Note 6 - Loans Held for Sale (Details) - Delinquent and Non-Performing Loans Sold During the Period Indicated [Line Items]
Loans sold			2
Proceeds			66
Net charge-offs			$ (185)