Note 16 - Fair Value Measurements (Detail) (USD $)					12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2012 Accounts Receivable Collateral [Member]	Dec. 31, 2012 Inventory Collateral [Member]	Dec. 31, 2012 Warrants Outstanding [Member] Minimum [Member]	Dec. 31, 2012 Warrants Outstanding [Member] Maximum [Member]	Dec. 31, 2012 Minimum [Member]	Dec. 31, 2012 Maximum [Member]	Dec. 31, 2011 Estimate of Fair Value, Fair Value Disclosure [Member]
Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Warrants (in Dollars)	$ 104,000	$ 218,000
Other Real Estate, Foreclosed Assets, and Repossessed Assets (in Dollars)	$ 46,384,000	$ 92,713,000							$ 71,000,000
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					0.25%	0.54%
Fair Value Assumptions, Expected Volatility Rate					13.70%	18.60%