Note 5 - Loans - Loans Designated as Criticized or Classified (Details) - USD ($) $ in Thousands	Mar. 31, 2017	Dec. 31, 2016
Loans designated as criticized or classified	$ 70,968	$ 72,114
Special Mention [Member]
Loans designated as criticized or classified	23,169	28,655
Substandard [Member]
Loans designated as criticized or classified	47,799	43,405
Doubtful [Member]
Loans designated as criticized or classified	0	54
Loss [Member]
Loans designated as criticized or classified	0	0
Multi-family Residential Portfolio Segment [Member]
Loans designated as criticized or classified	9,972	10,484
Multi-family Residential Portfolio Segment [Member] | Special Mention [Member]
Loans designated as criticized or classified	7,230	7,133
Multi-family Residential Portfolio Segment [Member] | Substandard [Member]
Loans designated as criticized or classified	2,742	3,351
Multi-family Residential Portfolio Segment [Member] | Doubtful [Member]
Loans designated as criticized or classified	0	0
Multi-family Residential Portfolio Segment [Member] | Loss [Member]
Loans designated as criticized or classified	0	0
Commercial Real Estate Portfolio Segment [Member]
Loans designated as criticized or classified	7,998	7,430
Commercial Real Estate Portfolio Segment [Member] | Special Mention [Member]
Loans designated as criticized or classified	639	2,941
Commercial Real Estate Portfolio Segment [Member] | Substandard [Member]
Loans designated as criticized or classified	7,359	4,489
Commercial Real Estate Portfolio Segment [Member] | Doubtful [Member]
Loans designated as criticized or classified	0	0
Commercial Real Estate Portfolio Segment [Member] | Loss [Member]
Loans designated as criticized or classified	0	0
One-To-Four Family - Mixed-Use Property Portfolio Segment [Member]
Loans designated as criticized or classified	8,967	11,206
One-To-Four Family - Mixed-Use Property Portfolio Segment [Member] | Special Mention [Member]
Loans designated as criticized or classified	3,446	4,197
One-To-Four Family - Mixed-Use Property Portfolio Segment [Member] | Substandard [Member]
Loans designated as criticized or classified	5,521	7,009
One-To-Four Family - Mixed-Use Property Portfolio Segment [Member] | Doubtful [Member]
Loans designated as criticized or classified	0	0
One-To-Four Family - Mixed-Use Property Portfolio Segment [Member] | Loss [Member]
Loans designated as criticized or classified	0	0
One-To-Four Family - Residential Portfolio Segment [Member]
Loans designated as criticized or classified	12,194
One-To-Four Family - Residential Portfolio Segment [Member] | Special Mention [Member]
Loans designated as criticized or classified	2,214
One-To-Four Family - Residential Portfolio Segment [Member] | Substandard [Member]
Loans designated as criticized or classified	9,980
One-To-Four Family - Residential Portfolio Segment [Member] | Doubtful [Member]
Loans designated as criticized or classified	0
One-To-Four Family - Residential Portfolio Segment [Member] | Loss [Member]
Loans designated as criticized or classified	0
One-To-Four Family - Residential [Member]
Loans designated as criticized or classified		10,604
One-To-Four Family - Residential [Member] | Special Mention [Member]
Loans designated as criticized or classified		1,205
One-To-Four Family - Residential [Member] | Substandard [Member]
Loans designated as criticized or classified		9,399
One-To-Four Family - Residential [Member] | Doubtful [Member]
Loans designated as criticized or classified		0
One-To-Four Family - Residential [Member] | Loss [Member]
Loans designated as criticized or classified		0
Construction Portfolio Segment [Member]
Loans designated as criticized or classified	602
Construction Portfolio Segment [Member] | Special Mention [Member]
Loans designated as criticized or classified	0
Construction Portfolio Segment [Member] | Substandard [Member]
Loans designated as criticized or classified	602
Construction Portfolio Segment [Member] | Doubtful [Member]
Loans designated as criticized or classified	0
Construction Portfolio Segment [Member] | Loss [Member]
Loans designated as criticized or classified	0
Small Business Administration Portfolio Segment [Member]
Loans designated as criticized or classified	648	976	[1]
Small Business Administration Portfolio Segment [Member] | Special Mention [Member]
Loans designated as criticized or classified	532	540	[1]
Small Business Administration Portfolio Segment [Member] | Substandard [Member]
Loans designated as criticized or classified	116	436	[1]
Small Business Administration Portfolio Segment [Member] | Doubtful [Member]
Loans designated as criticized or classified	0	0	[1]
Small Business Administration Portfolio Segment [Member] | Loss [Member]
Loans designated as criticized or classified	0	0	[1]
Taxi Medallion Portfolio Segment [Member]
Loans designated as criticized or classified	18,832	18,997
Taxi Medallion Portfolio Segment [Member] | Special Mention [Member]
Loans designated as criticized or classified		2,715
Taxi Medallion Portfolio Segment [Member] | Substandard [Member]
Loans designated as criticized or classified	18,832	16,228
Taxi Medallion Portfolio Segment [Member] | Doubtful [Member]
Loans designated as criticized or classified	0	54
Taxi Medallion Portfolio Segment [Member] | Loss [Member]
Loans designated as criticized or classified	0	0
Commercial Business and Other Portfolio Segment [Member]
Loans designated as criticized or classified	11,755	12,417
Commercial Business and Other Portfolio Segment [Member] | Special Mention [Member]
Loans designated as criticized or classified	9,108	9,924
Commercial Business and Other Portfolio Segment [Member] | Substandard [Member]
Loans designated as criticized or classified	2,647	2,493
Commercial Business and Other Portfolio Segment [Member] | Doubtful [Member]
Loans designated as criticized or classified	0	0
Commercial Business and Other Portfolio Segment [Member] | Loss [Member]
Loans designated as criticized or classified	$ 0	$ 0

[1] Balances shown are net of the portion guaranteed by the Small Business Administration totaling $1.5 million and $0.1 million at December 31, 2016 and 2015, respectively.