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Pension and Profit Sharing - Pension Plan Assets by Fair Value Hiearchy (Details) - USD ($) | Dec. 31, 2016 | Dec. 31, 2015 | Dec. 31, 2014
--- | --- | --- | ---
Pension plan assets | $ 1,294,727 | $ 1,417,572 | $ 1,684,535
Money Market Fund |  |  |
Pension plan assets | 39,224 | 66,914 |
Acme United Common Stock |  |  |
Pension plan assets | 0 | 174,000 |
Equity Common and Collected Funds |  |  |
Pension plan assets | 837,260 | 652,135 |
Fixed Income Common and Collected Funds |  |  |
Pension plan assets | 418,243 | 524,523 |
Level 1 |  |  |
Pension plan assets | 255,555 | 240,914 |
Level 1 | Money Market Fund |  |  |
Pension plan assets | 19,327 | 66,914 |
Level 1 | Acme United Common Stock |  |  |
Pension plan assets | 0 | 174,000 |
Level 1 | Equity Common and Collected Funds |  |  |
Pension plan assets | 131,737 |  |
Level 1 | Fixed Income Common and Collected Funds |  |  |
Pension plan assets | 104,491 |  |
Level 2 |  |  |
Pension plan assets | 1,039,172 | 1,176,658 |
Level 2 | Money Market Fund |  |  |
Pension plan assets | 19,897 |  |
Level 2 | Equity Common and Collected Funds |  |  |
Pension plan assets | 705,523 | 652,135 |
Level 2 | Fixed Income Common and Collected Funds |  |  |
Pension plan assets | 313,752 | 524,523 |
Level 3 |  |  |
Pension plan assets | $ 0 | $ 0 |

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