Note 5 - Loans (Details) - Non-Performing Loans (USD $) In Thousands, unless otherwise specified	Jun. 30, 2014		Dec. 31, 2013
Loans 90 days or more past due and still accruing:
Loans ninety days or more past due and still accruing	$ 2,980		$ 606
Non-accrual loans	42,811		47,977
Total non-accrual loans and days or more past due and still accruing	45,791		48,583
Multi-Family Residential [Member] | Mortgage Loans [Member]
Loans 90 days or more past due and still accruing:
Non-accrual loans	10,861	[1]	13,297	[1]
Multi-Family Residential [Member]
Loans 90 days or more past due and still accruing:
Loans ninety days or more past due and still accruing	987		52
Commercial Real Estate Loans [Member] | Mortgage Loans [Member]
Loans 90 days or more past due and still accruing:
Non-accrual loans	9,761		9,962
Commercial Real Estate Loans [Member]
Loans 90 days or more past due and still accruing:
Loans ninety days or more past due and still accruing	266
One-To-Four Family - Mixed-Use Property [Member] | Mortgage Loans [Member]
Loans 90 days or more past due and still accruing:
Non-accrual loans	8,713		9,063
One-To-Four Family - Mixed-Use Property [Member]
Loans 90 days or more past due and still accruing:
Loans ninety days or more past due and still accruing	1,303
One-To-Four Family - Residential [Member] | Mortgage Loans [Member]
Loans 90 days or more past due and still accruing:
Non-accrual loans	11,346		13,250
One-To-Four Family - Residential [Member]
Loans 90 days or more past due and still accruing:
Loans ninety days or more past due and still accruing	14		15
Commercial Business And Other [Member] | Non-Mortgage Loans [Member]
Loans 90 days or more past due and still accruing:
Non-accrual loans	2,130		2,348
Commercial Business And Other [Member]
Loans 90 days or more past due and still accruing:
Loans ninety days or more past due and still accruing	410		539
Non-accrual loans	2,130		2,348
Co-Operative Apartments [Member] | Mortgage Loans [Member]
Loans 90 days or more past due and still accruing:
Non-accrual loans			57
Mortgage Loans [Member]
Loans 90 days or more past due and still accruing:
Non-accrual loans	$ 40,681		$ 45,629

[1] The table above does not include non-performing Loans held for sale of $0.4 million at December 31, 2013.