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Revenues (Tables) | 3 Months Ended
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Mar. 31, 2019
Revenue from Contract with Customer [Abstract] |
Disaggregation of Revenue by Product Group | The following table presents the Company's revenues, disaggregated by product group. Substantially all of the Company's revenues are derived from contracts with customers where performance obligations are satisfied at a point-in-time.
| Three Months Ended
| Mar 31, 2019 |  | Mar 31, 2018
Storage tank and vessel | $ | 9,828,955 |  |  | $ | 5,775,772 |
Seamless carbon steel pipe and tube | 8,586,505 |  |  | 8,432,613 |
Stainless steel pipe | 45,995,384 |  |  | 31,283,862 |
Galvanized pipe | 6,692,235 |  |  | — |
Specialty chemicals | 13,700,753 |  |  | 12,988,355 |
Total revenues | $ | 84,803,832 |  |  | $ | 58,480,602 |

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- Definition Tabular disclosure of disaggregation of revenue into categories depicting how nature, amount, timing, and uncertainty of revenue and cash flows are affected by economic factor. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -SubTopic 10 -Section 50 -Paragraph 5 -URI http://asc.fasb.org/extlink&oid=109196051&loc=SL49130545-203045 + Details
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