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Dispositions and Closures (Details) - USD ($) |  | 12 Months Ended |  |
--- | --- | --- | --- | ---
Jul. 01, 2014 | Dec. 31, 2018 | Dec. 31, 2017 | Dec. 31, 2016 | Dec. 31, 2015 | Oct. 01, 2016 | Jun. 27, 2014
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |  |  |  |  |  |
Loss before income taxes |  | $ 0 | $ 0 | $ (99,334) |  |  |
Bristol Fab |  |  |  |  |  |  |
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |  |  |  |  |  |
Pension withdrawal liability |  |  |  |  |  |  | $ 1,904,628
Bristol Fab and Ram-fab |  |  |  |  |  |  |
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |  |  |  |  |  |
Net sales |  |  |  | 0 |  |  |
Loss before income taxes |  |  |  | (150,334) |  |  |
Benefit from income taxes |  |  |  | (51,000) |  |  |
Net loss from discontinued operations |  |  |  | (99,334) |  |  |
Pending Litigation | Synalloy Fabrication, LLC Customer Breach of Contract Case | Bristol Fab |  |  |  |  |  |  |
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |  |  |  |  |  |
Litigation damages sought |  |  |  | 99,334 | $ 1,251,058 |  |
Accrued legal expenses |  |  |  | $ 0 |  |  |
Withdrawal from Multiemployer Defined Benefit Plan | Bristol Fab |  |  |  |  |  |  |
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |  |  |  |  |  |
Debt term | 26 months |  |  |  |  |  |
Stated interest rate |  |  |  |  |  | 4.51% |

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