Note 5 - Loans (Details) - Net Loan Charge-Offs (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2014	Mar. 31, 2013
Note 5 - Loans (Details) - Net Loan Charge-Offs [Line Items]
Net loan charge-offs (recoveries)	$ 387	$ 6,077
Multi-Family Residential [Member]
Note 5 - Loans (Details) - Net Loan Charge-Offs [Line Items]
Net loan charge-offs (recoveries)	598	1,477
Commercial Real Estate Loans [Member]
Note 5 - Loans (Details) - Net Loan Charge-Offs [Line Items]
Net loan charge-offs (recoveries)	(335)	601
One-To-Four Family - Mixed-Use Property [Member]
Note 5 - Loans (Details) - Net Loan Charge-Offs [Line Items]
Net loan charge-offs (recoveries)	43	2,553
One-To-Four Family - Residential [Member]
Note 5 - Loans (Details) - Net Loan Charge-Offs [Line Items]
Net loan charge-offs (recoveries)	(26)	660
Co-Operative Apartments [Member]
Note 5 - Loans (Details) - Net Loan Charge-Offs [Line Items]
Net loan charge-offs (recoveries)	(7)	74
Construction [Member]
Note 5 - Loans (Details) - Net Loan Charge-Offs [Line Items]
Net loan charge-offs (recoveries)		234
Small Business Administration [Member]
Note 5 - Loans (Details) - Net Loan Charge-Offs [Line Items]
Net loan charge-offs (recoveries)	(10)	174
Commercial Business And Other [Member]
Note 5 - Loans (Details) - Net Loan Charge-Offs [Line Items]
Net loan charge-offs (recoveries)	$ 124	$ 304