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Pension and Profit Sharing - Amounts Recognized in Other Comprehensive Income (Details) - USD ($) | 12 Months Ended |  |
--- | --- | --- | ---
Dec. 31, 2016 | Dec. 31, 2015 | Dec. 31, 2016 | Dec. 31, 2015
Compensation and Retirement Disclosure [Abstract] |  |  |  |
Balance at beginning of the year | $ 1,426,030 | $ 1,379,890 |  |
Change in net loss | (169,818) | 177,647 |  |
Amortization of actuarial loss | (124,854) | (122,352) |  |
Amortization of prior service cost | (543) | (9,155) |  |
Change recognized in other comprehensive income | (295,215) | 46,140 |  |
Total recognized in other comprehensive income | 1,130,815 | 1,426,030 |  |
Amounts recognized in accumulated other comprehensive income: |  |  |  |
Net actuarial loss |  |  | $ 1,128,647 | $ 1,423,319
Prior service cost |  |  | 2,168 | 2,711
Total | $ 1,426,030 | $ 1,379,890 | $ 1,130,815 | $ 1,426,030

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