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		6 Months Ended
	Jun. 30, 2013	Jun. 30, 2012	Jun. 30, 2013	Jun. 30, 2012
Note 6 - Loans held for sale (Details) - Delinquent and non-performing loans sold during the period indicated: [Line Items]
Loans sold	38	15	54	32
Proceeds	$ 10,385	$ 7,956	$ 18,550	$ 17,637
Net charge-offs	(556)	(722)	(965)	(1,747)
Net gain (loss)		39	(9)	39
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	9	6	15	12
Proceeds	2,447	3,103	7,059	7,071
Net charge-offs	(468)	(207)	(576)	(388)
Net gain (loss)		31	6	31
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	5	3	7	6
Proceeds	2,349	2,191	3,464	3,869
Net charge-offs	(18)	(117)	(94)	(368)
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	24	5	30	9
Proceeds	5,589	2,163	7,961	3,443
Net charge-offs	(70)	(398)	(110)	(798)
Net gain (loss)			(15)
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		1	2	2
Proceeds		499	66	714
Net charge-offs			(185)	(136)
Net gain (loss)		8		8
Construction [Member]
Note 6 - Loans held for sale (Details) - Delinquent and non-performing loans sold during the period indicated: [Line Items]
Loans sold				3
Proceeds				2,540
Net charge-offs				$ (57)