Note 2 - Investment Securities (Details) - Investment Securities Available for Sale (USD $) In Thousands, unless otherwise specified	Sep. 30, 2014
Continuous loss position less than twelve months:
Number of Investment Positions	29
Fair Value	$ 19,609
Gross Unrealized Losses	88
Continuous loss position more than twelve months:
Number of Investment Positions	43
Fair Value	33,152
Gross Unrealized Losses	574
Total securities available for sale	72
Total securities available for sale	52,761
Total securities available for sale	662
US Government Agencies Debt Securities [Member]
Continuous loss position less than twelve months:
Number of Investment Positions	5
Fair Value	2,013
Gross Unrealized Losses	4
Continuous loss position more than twelve months:
Number of Investment Positions	10
Fair Value	11,473
Gross Unrealized Losses	158
Agency Collateralized Mortgage Obligations [Member]
Continuous loss position less than twelve months:
Number of Investment Positions	2
Fair Value	1,620
Gross Unrealized Losses	8
Continuous loss position more than twelve months:
Number of Investment Positions	10
Fair Value	8,187
Gross Unrealized Losses	197
Mortgage-backed Securities, Issued by US Government Sponsored Enterprises [Member]
Continuous loss position less than twelve months:
Number of Investment Positions	20
Fair Value	15,653
Gross Unrealized Losses	75
Continuous loss position more than twelve months:
Number of Investment Positions	7
Fair Value	6,192
Gross Unrealized Losses	85
Municipal Notes [Member]
Continuous loss position less than twelve months:
Number of Investment Positions	2
Fair Value	323
Gross Unrealized Losses	1
Continuous loss position more than twelve months:
Number of Investment Positions	16
Fair Value	7,300
Gross Unrealized Losses	$ 134