Note 5 - Loans - Loans Designated as Criticized or Classified (Details) - USD ($) $ in Thousands	Jun. 30, 2017	Dec. 31, 2016
Loans designated as criticized or classified	$ 69,117	$ 72,114
Special Mention [Member]
Loans designated as criticized or classified	24,373	28,655
Substandard [Member]
Loans designated as criticized or classified	44,744	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	10,866	10,484
Multi-family Residential Portfolio Segment [Member] | Special Mention [Member]
Loans designated as criticized or classified	8,312	7,133
Multi-family Residential Portfolio Segment [Member] | Substandard [Member]
Loans designated as criticized or classified	2,554	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	7,811	7,430
Commercial Real Estate Portfolio Segment [Member] | Special Mention [Member]
Loans designated as criticized or classified	2,295	2,941
Commercial Real Estate Portfolio Segment [Member] | Substandard [Member]
Loans designated as criticized or classified	5,516	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	7,979	11,206
One-To-Four Family - Mixed-Use Property Portfolio Segment [Member] | Special Mention [Member]
Loans designated as criticized or classified	3,050	4,197
One-To-Four Family - Mixed-Use Property Portfolio Segment [Member] | Substandard [Member]
Loans designated as criticized or classified	4,929	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	11,068
One-To-Four Family - Residential Portfolio Segment [Member] | Special Mention [Member]
Loans designated as criticized or classified	843
One-To-Four Family - Residential Portfolio Segment [Member] | Substandard [Member]
Loans designated as criticized or classified	10,225
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	1,178
Construction Portfolio Segment [Member] | Special Mention [Member]
Loans designated as criticized or classified	576
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	632	976	[1]
Small Business Administration Portfolio Segment [Member] | Special Mention [Member]
Loans designated as criticized or classified	525	540	[1]
Small Business Administration Portfolio Segment [Member] | Substandard [Member]
Loans designated as criticized or classified	107	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	18,303	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	18,303	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	11,280	12,417
Commercial Business and Other Portfolio Segment [Member] | Special Mention [Member]
Loans designated as criticized or classified	8,772	9,924
Commercial Business and Other Portfolio Segment [Member] | Substandard [Member]
Loans designated as criticized or classified	2,508	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.