Note 5 - Loans, Allowance for Loan Losses and Credit Quality (Details Textual) |
9 Months Ended | |
|---|---|---|
Sep. 30, 2016 |
Sep. 30, 2015 |
|
| Unpaid Recourse Receivables [Member] | ||
| Threshold Period Past Due for Write-off of Financing Receivable | 90 days | |
| Non-recourse Receivables [Member] | ||
| Threshold Period Past Due for Write-off of Financing Receivable | 120 days | |
| Financing Receivable, Modifications, Number of Contracts | 0 | 0 |