| In millions, except per share items | Dec-31-18 | Sep-30-18 | Mar-31-18 | Dec-31-17 | Sep-30-17 | Jun-30-17 | Mar-31-17 | Dec-31-16 |
| | 10-Q | 10-Q | 10-K | 10-Q | 10-Q | 10-Q | 10-K | 10-Q |
| Interest revenue | | | | | | | | |
| Loans, including fees | | | 16.1 | 15.7 | 15.5 | 15.4 | 14.8 | 13.8 |
| U.S. treasuries, government agencies and FHLB stock | | | | 0.1 | 0.0 | | | |
| Municipal and corporate bonds | | | | 0.2 | 0.1 | | | |
| Mortgage-backed securities | | | 1.2 | 1.3 | 1.3 | 1.3 | 1.2 | 1.1 |
| Federal funds sold and other bank deposits | | | 0.1 | 0.1 | 0.2 | 0.2 | 0.2 | 0.2 |
| Total interest revenue | | | 18.1 | 17.7 | 17.5 | 17.4 | 16.8 | 15.6 |
| |
| Interest expense | | | | | | | | |
| Deposits | | | 2.8 | 2.7 | 2.6 | 2.6 | 2.6 | 2.5 |
| Borrowed funds | | | 0.8 | 0.6 | 0.4 | 0.4 | 0.3 | 0.2 |
| Total interest expense | | | 3.6 | 3.3 | 3.1 | 3.0 | 2.9 | 2.8 |
| Net interest income | | | 14.5 | 14.5 | 14.4 | 14.4 | 13.9 | 10.3 |
| Provision for loan losses | | | 1.6 | 3.0 | 3.4 | 3.3 | 3.4 | 1.3 |
| Net interest income after provision for loan losses | | | 12.9 | 11.5 | 11.0 | 11.0 | 10.5 | 11.6 |
| |
| Noninterest revenue | | | | | | | | |
| Service charges | | | 0.5 | 0.4 | 0.4 | 0.4 | 0.4 | 0.4 |
| Loss on sale of investment securities | | | | 0.0 | | | | |
| Gain on sale of loans held for sale | | | | | | | 0.0 | 0.0 |
| Gain on sale of property and equipment | | | 0.1 | 0.2 | 0.0 | | 0.0 | 0.0 |
| Earnings on bank-owned life insurance | | | 0.5 | 0.5 | 0.5 | 0.5 | 0.5 | 0.5 |
| Other | | | 0.1 | 0.1 | 0.1 | 0.1 | 0.1 | 0.2 |
| Total noninterest revenue | | | 2.0 | 0.4 | 0.5 | 0.5 | 0.5 | 1.6 |
| |
| Noninterest expenses | | | | | | | | |
| Salaries | | | 5.7 | 5.6 | 5.5 | 5.4 | 5.3 | 5.1 |
| |
| Employee benefits | | | | | | | | |
| Occupancy | | | 1.0 | 1.0 | 1.0 | 1.0 | 1.0 | 0.9 |
| Advertising | | | 0.1 | 0.1 | 0.1 | 0.1 | 0.1 | 0.1 |
| Furniture and equipment | | | 0.3 | 0.3 | 0.3 | 0.4 | 0.4 | 0.4 |
| Data processing | | | 0.7 | 0.7 | 0.7 | 0.8 | 0.8 | 0.7 |
| Legal services | | | 0.5 | 0.5 | 0.4 | 0.3 | 0.3 | 0.2 |
| Other professional services | | | 0.9 | 0.8 | 0.9 | 1.0 | 1.1 | 0.9 |
| |
| Merger related expenses | | | | | | | | |
| Deposit insurance premiums | | | 0.3 | 0.3 | 0.3 | 0.3 | 0.3 | 0.3 |
| Foreclosed real estate expense and losses | | | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 |
| Other operating | | | 1.7 | 1.8 | 1.8 | 1.8 | 1.8 | 1.8 |
| Total noninterest expense | | | 12.9 | 12.9 | 12.6 | 12.7 | 13.2 | 12.7 |
| Income before income taxes | | | 2.0 | -0.1 | -0.6 | -0.6 | -1.7 | 0.2 |
| Income tax expense | | | 8.1 | 2.0 | -0.4 | -0.4 | -0.8 | 0.0 |
| Tax rate | | | 402.0% | -1526.6% | 79.4% | 65.7% | 44.9% | |
| Net (loss) income | | | -6.0 | -2.1 | -0.1 | -0.2 | -0.9 | 0.2 |
| |
| Net (loss) income per common share: | | | | | | | | |
| Basic (in dollars per share) | | | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 |
| |
| Diluted (in dollars per share) | | | ($1.90) | ($0.65) | ($0.03) | ($0.06) | ($0.29) | $0.05 |