Note 2 - Fair Value of Financial Instruments (Details) - Level 3 Fair Value Measurements December 2012 (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2012
Commercial Real Estate Construction Financing Receivable [Member]
Fair Value Inputs, Assets, Quantitative Information [Line Items]
Fair Value (in Dollars)	$ 1,562
Valuation Techniques	Sales approach
Unobservable Inputs	Adjustment to comparables
Range	15.00%
Weighted Average	15.00%
Commercial and Industrial [Member]
Fair Value Inputs, Assets, Quantitative Information [Line Items]
Fair Value (in Dollars)	$ 1,055
Valuation Techniques	Sales approach
Unobservable Inputs	Adjustment to comparables
Range	15.00%
Weighted Average	15.00%