Note 3 - Loans and Allowance for Loan Losses (Detail) - Nonaccrual Loans (USD $) In Thousands, unless otherwise specified	Mar. 31, 2013	Dec. 31, 2012
Nonaccrual loans	$ 5,228	$ 5,922
Commercial and Industrial [Member]
Nonaccrual loans	1,489	2,495
Equipment Financing Receivables [Member]
Nonaccrual loans	36	339
Factored Receivables [Member]
Nonaccrual loans	174	0
Real Estate Residential Mortgage [Member]
Nonaccrual loans	2,754	2,325
Commercial Mortgage [Member]
Nonaccrual loans	745	745
Commercial Real Estate Construction and Land Development [Member]
Nonaccrual loans	0	0
Loans To Individual [Member]
Nonaccrual loans	$ 30	$ 18