Note 3 - Loans (Details) - Non-performing Loans (USD $) In Thousands, unless otherwise specified	Dec. 31, 2014	Dec. 31, 2013
Note 3 - Loans (Details) - Non-performing Loans [Line Items]
Loans ninety days or more past due and still accruing	$ 2,301	$ 606
Non-accrual loans	31,890	47,977
Total non-accrual loans and ninety days or more past due and still accruing	34,191	48,583
Multi-Family Residential [Member] \| Mortgage Loans [Member]
Note 3 - Loans (Details) - Non-performing Loans [Line Items]
Non-accrual loans	6,878	13,297
Multi-Family Residential [Member]
Note 3 - Loans (Details) - Non-performing Loans [Line Items]
Loans ninety days or more past due and still accruing	676	52
Commercial Real Estate Loans [Member] \| Mortgage Loans [Member]
Note 3 - Loans (Details) - Non-performing Loans [Line Items]
Non-accrual loans	5,689	9,962
Commercial Real Estate Loans [Member]
Note 3 - Loans (Details) - Non-performing Loans [Line Items]
Loans ninety days or more past due and still accruing	820
One-To-Four Family - Mixed-Use Property [Member] \| Mortgage Loans [Member]
Note 3 - Loans (Details) - Non-performing Loans [Line Items]
Non-accrual loans	6,936	9,063
One-To-Four Family - Mixed-Use Property [Member]
Note 3 - Loans (Details) - Non-performing Loans [Line Items]
Loans ninety days or more past due and still accruing	405
One-To-Four Family - Residential [Member] \| Mortgage Loans [Member]
Note 3 - Loans (Details) - Non-performing Loans [Line Items]
Non-accrual loans	11,244	13,250
One-To-Four Family - Residential [Member]
Note 3 - Loans (Details) - Non-performing Loans [Line Items]
Loans ninety days or more past due and still accruing	14	15
Commercial Business And Other [Member] \| Mortgage Loans [Member]
Note 3 - Loans (Details) - Non-performing Loans [Line Items]
Non-accrual loans	1,143	2,348
Commercial Business And Other [Member]
Note 3 - Loans (Details) - Non-performing Loans [Line Items]
Loans ninety days or more past due and still accruing	386	539
Non-accrual loans	1,143	2,348
Co-Operative Apartments [Member] \| Mortgage Loans [Member]
Note 3 - Loans (Details) - Non-performing Loans [Line Items]
Non-accrual loans		57
Mortgage Loans [Member]
Note 3 - Loans (Details) - Non-performing Loans [Line Items]
Non-accrual loans	$ 30,747	$ 45,629

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Total non-accrual loans and loans ninety days or more past due and still accruing

+ References

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- Definition

Recorded investment in financing receivables that are 90 days or more past due and still accruing.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 310

-SubTopic 10

-Section 50

-Paragraph 7

-Subparagraph (d)

-URI http://asc.fasb.org/extlink&oid=35738203&loc=d3e5111-111524

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