Note 5 - Loans and Allowance for Loan Losses (Detail) - Nonaccrual Loans (USD $) In Thousands, unless otherwise specified	Dec. 31, 2012	Dec. 31, 2011
Nonaccrual loans	$ 5,922	$ 6,358
Commercial and Industrial [Member]
Nonaccrual loans	2,495	834
Factored Receivables [Member]
Nonaccrual loans	0	0
Equipment Financing Receivables [Member]
Nonaccrual loans	339	370
Real Estate Residential Mortgage [Member]
Nonaccrual loans	2,325	1,991
Commercial Mortgage [Member]
Nonaccrual loans	745	3,124
Commercial Real Estate Construction and Land Development [Member]
Nonaccrual loans	0	0
Loans To Individual [Member]
Nonaccrual loans	$ 18	$ 39