Note 11 - Fair Value Measurements (Detail) (USD $)			6 Months Ended
	Jun. 30, 2012	Dec. 31, 2011	Jun. 30, 2012 Warrants Outstanding [Member] Minimum [Member]	Jun. 30, 2012 Warrants Outstanding [Member] Maximum [Member]	Jun. 30, 2012 Accounts Receivable Collateral [Member]	Jun. 30, 2012 Inventory Collateral [Member]	Jun. 30, 2012 Minimum [Member]	Jun. 30, 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)	$ 169,000	$ 218,000
Other Real Estate, Foreclosed Assets, and Repossessed Assets (in Dollars)	$ 74,463,000	$ 92,713,000							$ 92,700,000
Collateral Discount Rates					45.00%	65.00%
Estimated Sales Cost Applied To Collateral							3.00%	6.00%
Expected Life of Warrants							1 year	5 years
Fair Value Assumptions, Risk Free Interest Rate			0.30%	0.88%
Fair Value Assumptions, Expected Volatility Rate			18.80%	23.60%