Note 11 - Fair Value Measurements (Details) (USD $)					9 Months Ended
	Sep. 30, 2013	Dec. 31, 2012	Sep. 30, 2013 Net of Estimated Disposal Costs [Member]	Dec. 31, 2012 Net of Estimated Disposal Costs [Member]	Sep. 30, 2013 Warrants Outstanding [Member] Minimum [Member]	Sep. 30, 2013 Warrants Outstanding [Member] Maximum [Member]	Sep. 30, 2013 Accounts Receivable Collateral [Member]	Sep. 30, 2013 Inventory Collateral [Member]	Sep. 30, 2013 Minimum [Member]	Sep. 30, 2013 Maximum [Member]
Note 11 - Fair Value Measurements (Details) [Line Items]
Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Warrants (in Dollars)	$ 49,000	$ 104,000
Other Real Estate, Foreclosed Assets, and Repossessed Assets (in Dollars)	$ 49,777,000	$ 46,384,000	$ 49,800,000	$ 46,400,000
Collateral Discount Rates							45.00%	65.00%
Estimated Sales Cost Applied To Collateral									3.00%	6.00%
Expected Life of Warrants									2 years	4 years
Fair Value Assumptions, Risk Free Interest Rate					0.33%	1.01%
Fair Value Assumptions, Expected Volatility Rate					12.60%	16.60%