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Note 8 - Revenue (Tables) | 6 Months Ended
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Jun. 30, 2022
Notes Tables |
Disaggregation of Revenue [Table Text Block] |
|  | Three Months Ended June 30, |  |  | Six Months Ended June 30, |
|  | 2022 |  |  | 2021 |  |  | 2022 |  |  | 2021 |
Over time (Engineered Steel Pressure Pipe) |  | $ | 77,068 |  |  | $ | 58,748 |  |  | $ | 151,783 |  |  | $ | 118,805 |
Point in time (Precast Infrastructure and Engineered Systems) |  |  | 41,454 |  |  |  | 15,064 |  |  |  | 76,070 |  |  |  | 27,318 |
Net sales |  | $ | 118,522 |  |  | $ | 73,812 |  |  | $ | 227,853 |  |  | $ | 146,123 |

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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://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -SubTopic 10 -Section 50 -Paragraph 5 -URI https://asc.fasb.org/extlink&oid=126920106&loc=SL49130545-203045 + Details
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