| In millions, except per share items | Dec-31-20 | Dec-31-19 | Dec-31-18 | Dec-31-17 | Dec-31-16 |
| | 10-K | 10-K | 10-K | 10-K | S-1/A |
| Interest and dividend income: | | | | | |
| Loans, including fees | 14.0 | 15.3 | 15.0 | 13.1 | |
| Securities, taxable | 1.3 | 1.6 | 1.7 | 2.1 | 1.7 |
| Other | 0.1 | 0.3 | 0.0 | 0.1 | 0.0 |
| Total interest and dividend income | 15.4 | 17.2 | 16.8 | 15.3 | 13.8 |
| |
| Interest expense: | | | | | |
| Interest-bearing deposits | 2.3 | 4.6 | 3.7 | 2.9 | |
| Borrowed funds | 0.7 | 0.3 | 0.5 | 0.5 | |
| Total interest expense | 3.0 | 4.9 | 4.2 | 3.4 | 2.7 |
| Net interest income | 12.4 | 12.3 | 12.5 | 11.9 | 11.1 |
| Provision for loan losses | 0.5 | -1.0 | | | |
| Net interest income after provision for loan losses | 11.9 | 13.3 | 12.5 | 11.9 | 11.1 |
| |
| Noninterest income: | | | | | |
| Service charges and other fees | 0.8 | 0.9 | 0.9 | 0.9 | |
| Net gain on sale of loans | 3.5 | 0.7 | 0.7 | 0.8 | |
| Net gain on sale of securities | 1.0 | | 0.1 | | |
| Other | 0.6 | 0.1 | 0.1 | 0.1 | |
| Total noninterest income | 6.9 | 3.1 | 2.9 | 2.9 | 0.2 |
| |
| Noninterest expense: | | | | | |
| Salaries and employee benefits | 9.7 | 9.6 | 9.5 | 8.6 | |
| Advertising and promotions | 0.1 | 0.2 | 0.1 | 0.2 | 0.3 |
| Data processing | 0.8 | 0.8 | 0.7 | 1.0 | |
| Occupancy and equipment | 1.4 | 1.7 | 1.6 | 1.6 | |
| FDIC assessment | 0.1 | 0.1 | 0.4 | 0.3 | |
| Other | 3.7 | 3.7 | 3.3 | 3.7 | |
| Total noninterest expense | 15.7 | 16.0 | 15.7 | 16.6 | 14.0 |
| Income before income taxes | 3.1 | 0.4 | -0.2 | -1.8 | |
| Income tax expense | 1.7 | 0.0 | -0.2 | -3.5 | |
| Net income | 1.3 | 0.4 | 0.0 | 1.7 | 1.3 |
| |
| Earnings per common share: | | | | | |
| Diluted | $0.28 | $0.10 | | | |
| |
| Average common shares outstanding: | | | | | |
| Diluted | 4.7 | 4.7 | | | |