Note 13 - Regulatory Capital and Regulatory Oversight (Details) - Capital Requirements under Banking Regulations $ in Thousands	Sep. 30, 2015 USD ($)
Capital Requirements under Banking Regulations [Abstract]
Bank stockholder’s equity	$ 73,531
Plus:
Net unrealized gain on certain securities available for sale	(63)
Less:
Goodwill and other intangibles	165
Disallowed servicing and tax assets	4,217
Common equity tier I capital	$ 69,086
Common equity tier I capital ratio	14.05%	[1]
Common equity tier I capital ratio	$ 22,126
Common equity tier I capital ratio	4.50%	[1]
Common equity tier I capital ratio	$ 46,960
Common equity tier I capital ratio	9.55%	[1]
Common equity tier I capital ratio	$ 31,960	[2]
Common equity tier I capital ratio	6.50%	[1],[2]
Tier I capital	$ 69,086
Tier I capital to adjusted total assets (leverage ratio)	11.45%	[1]
Tier I capital to adjusted total assets (leverage ratio)	$ 24,131
Tier I capital to adjusted total assets (leverage ratio)	4.00%	[1]
Tier I capital to adjusted total assets (leverage ratio)	$ 44,955
Tier I capital to adjusted total assets (leverage ratio)	7.45%	[1]
Tier I capital to adjusted total assets (leverage ratio)	$ 30,164	[2]
Tier I capital to adjusted total assets (leverage ratio)	5.00%	[1],[2]
Tier I capital to risk-weighted assets	14.05%	[1]
Tier I capital to risk-weighted assets	$ 29,501
Tier I capital to risk-weighted assets	6.00%	[1]
Tier I capital to risk-weighted assets	$ 39,585
Tier I capital to risk-weighted assets	8.05%	[1]
Tier I capital to risk-weighted assets	$ 39,335	[2]
Tier I capital to risk-weighted assets	8.00%	[1],[2]
Plus:
Allowable allowance for loan losses	$ 6,211
Risk-based capital	75,297
Risk-based capital	39,335
Risk-based capital	35,962
Risk-based capital	$ 49,169	[2]
Risk-based capital to risk- weighted assets	15.31%	[1]
Risk-based capital to risk- weighted assets	8.00%	[1]
Risk-based capital to risk- weighted assets	7.31%	[1]
Risk-based capital to risk- weighted assets	10.00%	[1],[2]

[1] Based upon the Bank's adjusted total assets for the purpose of leverage ratio and risk-weighted assets for the purpose of the risk-based capital ratios.

[2] Under the recently issued final rules, revised requirements began to be phased in on January 1, 2015, as described above.