Note 11 - Fair Value Measurements (Details) (USD $)						6 Months Ended
	Jun. 30, 2013	Dec. 31, 2012	Jun. 30, 2013 Net of Estimated Disposal Costs [Member]	Jun. 30, 2013 Accounts Receivable Collateral [Member]	Jun. 30, 2013 Inventory Collateral [Member]	Jun. 30, 2013 Warrants Outstanding [Member] Minimum [Member]	Jun. 30, 2013 Warrants Outstanding [Member] Maximum [Member]	Jun. 30, 2013 Minimum [Member]	Jun. 30, 2013 Maximum [Member]
Note 11 - Fair Value Measurements (Details) [Line Items]
Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Warrants (in Dollars)	$ 72,000	$ 104,000
Other Real Estate, Foreclosed Assets, and Repossessed Assets (in Dollars)	$ 49,141,000	$ 46,384,000	$ 46,700,000
Collateral Discount Rates				45.00%	65.00%
Estimated Sales Cost Applied To Collateral								3.00%	6.00%
Expected Life of Warrants								1 year	4 years
Fair Value Assumptions, Risk Free Interest Rate						0.38%	1.05%
Fair Value Assumptions, Expected Volatility Rate						10.40%	16.70%