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Note 9 - Revenue | 9 Months Ended
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Sep. 30, 2025
Notes to Financial Statements |
Revenue from Contract with Customer [Text Block] |
9. | Revenue
The Company manufactures water infrastructure steel pipe products, which are generally made to custom specifications for installation contractors serving projects funded by public water agencies, as well as precast and reinforced concrete products. Generally, each of the Company’s contracts with its customers contains a single performance obligation, as the promise to transfer products is not separately identifiable from other promises in the contract and, therefore, is not distinct. The Company generally does not recognize revenue on a contract until the contract has approval and commitment from both parties, the contract rights and payment terms can be identified, the contract has commercial substance, and its collectability is probable. WTS revenue for water infrastructure steel pipe products is recognized over time as the manufacturing process progresses because of the Company’s right to payment for work performed to date plus a reasonable profit on cancellations for unique products that have no alternative use to the Company. Revenue is measured by the costs incurred to date relative to the estimated total direct costs to fulfill each contract. Contract costs include all material, labor, and other direct costs incurred in satisfying the performance obligations. The cost of steel material is recognized as a contract cost when the steel is introduced into the manufacturing process. Changes in job performance, job conditions, and estimated profitability, including those arising from contract change orders, contract penalty provisions, foreign currency exchange rate movements, changes in raw materials costs, and final contract settlements may result in revisions to estimates of revenue, costs, and income, and are recognized in the period in which the revisions are determined. Provisions for losses on uncompleted contracts, included in Accrued liabilities, are estimated by comparing total estimated contract revenue to the total estimated contract costs and a loss is recognized during the period in which it becomes probable and can be reasonably estimated. Net revisions in contract estimates resulted in an increase in WTS net sales of $4.2 million and $8.4 million for the three and nine months ended September 30, 2025, respectively and $0.8 million and $3.1 million for the three and nine months ended September 30, 2024, respectively. Precast revenue for water infrastructure concrete pipe and precast concrete products is recognized at the time control is transferred to customers which is generally at the time of shipment, in an amount that reflects the consideration the Company expects to be entitled to in exchange for the products. All variable considerations that may affect the total transaction price, including contractual discounts, returns, and credits, are included in net sales. Estimates for variable consideration are based on historical experience, anticipated performance, and management’s judgment. The Company’s contracts do not contain significant financing. Disaggregation of Revenue The following table disaggregates revenue by recognition over time or at a point in time, as the Company believes it best depicts how the nature, amount, timing, and uncertainty of its revenue and cash flows are affected by economic factors (in thousands):
|  | Three Months Ended September 30, |  |  | Nine Months Ended September 30, |
|  | 2025 |  |  | 2024 |  |  | 2025 |  |  | 2024 |
Over time |  | $ | 103,866 |  |  | $ | 85,924 |  |  | $ | 266,900 |  |  | $ | 255,454 |
Point in time |  |  | 47,201 |  |  |  | 44,277 |  |  |  | 133,464 |  |  |  | 117,467 |
Net sales |  | $ | 151,067 |  |  | $ | 130,201 |  |  | $ | 400,364 |  |  | $ | 372,921 |
Contract Assets and Contract Liabilities Contract assets primarily represent revenue earned over time but not yet billable based on the terms of the contracts. These amounts will be billed based on the terms of the contracts, which can include certain milestones, partial shipments, or completion of the contracts. Payment terms of amounts billed vary based on the customer, but are typically due within 30 days of invoicing. Contract liabilities represent advance billings on contracts, typically for purchased steel. The difference between the opening and closing balances of the Company’s contract assets and contract liabilities primarily results from the timing difference between the Company’s performance and billings. The following is a summary of the changes in contract assets and contract liabilities (in thousands):
|  | Contract Assets |  |  | Contract Liabilities |  |  | Net Contract Assets |
Nine Months Ended September 30, 2025 |  |  |  |  |  |  |  |  |  |  |  |
Balance, beginning of period |  | $ | 103,422 |  |  | $ | (11,197 | ) |  | $ | 92,225 |
Revenue recognized |  |  | 221,113 |  |  |  | 45,787 |  |  |  | 266,900 |
Billings |  |  | (228,701 | ) |  |  | (43,131 | ) |  |  | (271,832 | )
Other |  |  | 1,048 |  |  |  | 233 |  |  |  | 1,281 |
Balance, end of period |  | $ | 96,882 |  |  | $ | (8,308 | ) |  | $ | 88,574 |
Nine Months Ended September 30, 2024 |  |  |  |  |  |  |  |  |  |  |  |
Balance, beginning of period |  | $ | 120,516 |  |  | $ | (21,450 | ) |  | $ | 99,066 |
Revenue recognized |  |  | 220,632 |  |  |  | 34,822 |  |  |  | 255,454 |
Billings |  |  | (220,060 | ) |  |  | (42,333 | ) |  |  | (262,393 | )
Other |  |  | (105 | ) |  |  | 64 |  |  |  | (41 | )
Balance, end of period |  | $ | 120,983 |  |  | $ | (28,897 | ) |  | $ | 92,086 |
The Company recognized revenue that was included in the contract liabilities balance at the beginning of each period of $11.1 million and $19.3 million during the nine months ended September 30, 2025 and 2024, respectively. Backlog Backlog represents the balance of remaining performance obligations under signed contracts for WTS water infrastructure steel pipe products for which revenue is recognized over time. As of September 30, 2025, backlog was $257 million. The Company expects to recognize approximately 29% of the remaining performance obligations in 2025, 45% in 2026, and the balance thereafter.

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- Definition The entire disclosure of revenue from contract with customer to transfer good or service and to transfer nonfinancial asset. Includes, but is not limited to, disaggregation of revenue, credit loss recognized from contract with customer, judgment and change in judgment related to contract with customer, and asset recognized from cost incurred to obtain or fulfill contract with customer. Excludes insurance and lease contracts. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 606 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 7 -Publisher FASB -URI https://asc.fasb.org/1943274/2147479806/606-10-50-7 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 606 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 9 -Publisher FASB -URI https://asc.fasb.org/1943274/2147479806/606-10-50-9 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Topic 606 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 10 -Publisher FASB -URI https://asc.fasb.org/1943274/2147479806/606-10-50-10 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Topic 606 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 15 -Publisher FASB -URI https://asc.fasb.org/1943274/2147479806/606-10-50-15 Reference 5: http://www.xbrl.org/2003/role/disclosureRef -Topic 606 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 12 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org/1943274/2147479806/606-10-50-12 Reference 6: http://www.xbrl.org/2003/role/disclosureRef -Topic 606 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 12 -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org/1943274/2147479806/606-10-50-12 Reference 7: http://www.xbrl.org/2003/role/disclosureRef -Topic 606 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 12 -Subparagraph (c) -Publisher FASB -URI https://asc.fasb.org/1943274/2147479806/606-10-50-12 Reference 8: http://www.xbrl.org/2003/role/disclosureRef -Topic 606 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 12 -Subparagraph (d) -Publisher FASB -URI https://asc.fasb.org/1943274/2147479806/606-10-50-12 Reference 9: http://www.xbrl.org/2003/role/disclosureRef -Topic 606 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 12 -Subparagraph (e) -Publisher FASB -URI https://asc.fasb.org/1943274/2147479806/606-10-50-12 Reference 10: http://www.xbrl.org/2003/role/disclosureRef -Topic 606 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 13 -Subparagraph (b)(2) -Publisher FASB -URI https://asc.fasb.org/1943274/2147479806/606-10-50-13 Reference 11: http://www.xbrl.org/2003/role/disclosureRef -Name Accounting Standards Codification -Topic 606 -Publisher FASB -URI https://asc.fasb.org/606/tableOfContent + Details
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