Note 2 - Investment Securities (Details) - Investment Debt Securities by Contractual Maturity (USD $) In Thousands, unless otherwise specified	Mar. 31, 2015	Dec. 31, 2014
Maturity:
Bonds Five years to 10 Year- Gross unrealized losses	$ (186)	$ (453)
U.S. Government agency mortgage-backed securities	(186)	(453)
Total	32,924	34,135
Total	32,738us-gaap_AvailableForSaleSecurities	33,682us-gaap_AvailableForSaleSecurities
Total	(186)	(453)
Corporate Debt Securities [Member]
Maturity:
Bonds Five years to 10 Year- Amortized cost	9,000
Bonds Five years to 10 Year- Fair value	8,966
Bonds Five years to 10 Year- Gross unrealized losses	(34)	(64)
U.S. Government agency mortgage-backed securities	(34)	(64)
Total	9,000	9,000
Total	8,966	8,936
Total	(34)	(64)
US Government Agencies Debt Securities 5 Years [Member]
Maturity:
Bonds Five years to 10 Year- Gross unrealized losses	(4)
U.S. Government agency mortgage-backed securities	(4)
U.S. Government agency bonds 5 years	2,500
U.S. Government agency bonds 5 years	2,500
Total	7,500
Total	7,496
Total	(4)
US Government Agencies Debt Securities > 5 Years [Member]
Maturity:
Bonds Five years to 10 Year- Amortized cost	5,000
Bonds Five years to 10 Year- Fair value	4,996
Bonds Five years to 10 Year- Gross unrealized losses	(4)
U.S. Government agency mortgage-backed securities	(4)
Total	(4)
Mortgage-backed Securities, Issued by US Government Sponsored Enterprises [Member]
Maturity:
Bonds Five years to 10 Year- Gross unrealized losses	(148)	(298)
U.S. Government agency mortgage-backed securities	16,424
U.S. Government agency mortgage-backed securities	16,276
U.S. Government agency mortgage-backed securities	(148)	(298)
Total	16,424	17,635
Total	16,276	17,337
Total	$ (148)	$ (298)

Available for sale securities debt maturities less than five year amortized cost.

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Available for sale securities debt maturities less than five years fair value.

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Amount of investment in debt and equity securities categorized neither as held-to-maturity nor trading.

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Amount before tax of unrealized loss in accumulated other comprehensive income (AOCI) on investments in debt and equity securities classified as available-for-sale.

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Amount after adjustments of available-for-sale debt securities at cost, maturing in the sixth fiscal year through the tenth fiscal year following the latest fiscal year. Adjustments include, but are not limited to, accretion, amortization, collection of cash, previous other-than-temporary impairments (OTTI) recognized in earnings less cumulative-effect adjustments, and fair value hedge accounting adjustments. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

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Fair value of available-for-sale debt securities maturing in the sixth fiscal year through the tenth fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

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