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Note 9 - Commitments and Contingencies | 12 Months Ended
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Dec. 31, 2021
Notes to Financial Statements |
Commitments and Contingencies Disclosure [Text Block] | 9. COMMITMENTS AND CONTINGENCIES Fuel Tech is subject to various claims and contingencies related to, among other things, workers compensation, general liability (including product liability), and lawsuits. The Company records liabilities where a contingent loss is probable and can be reasonably estimated. If the reasonable estimate of a probable loss is a range, the Company records the most probable estimate of the loss or the minimum amount when no amount within the range is a better estimate than any other amount. The Company discloses a contingent liability even if the liability is not probable or the amount is not estimable, or both, if there is a reasonable possibility that a material loss may have been incurred. From time to time we are involved in litigation with respect to matters arising from the ordinary conduct of our business. In the opinion of management, based upon presently available information, either adequate provision for anticipated costs have been accrued or the ultimate anticipated costs will not materially affect our consolidated financial position, results of operations, or cash flows. We do not believe we have any pending loss contingencies that are probable or reasonably possible of having a material impact on our consolidated financial position, results of operations or cash flows. As of December 31, 2021 and 2020 a charge of $0 and $176, respectively, was recorded in the other accrued liabilities line of the Consolidated Balance Sheets. During the third quarter of 2020, the Company was notified of an equipment component failure at a foreign customer location. The failure was remedied under the warranty provision of the contracts that was in place with the customer and supplier and was completed in the third quarter of 2021. In 2018, the Company was notified of a certain non-conformance issue with a U.S. customer associated with equipment that requires remedy under the warranty provision of the contract. During the second quarter of 2020 a charge of $1,150 to remedy this non-conformance issue was incurred. Offsetting this amount was a reversal of $499 of expense to reduce the allowance of doubtful accounts that had been previously reserved. The Company has completed all work associated with this issue. During the third quarter of 2020, the Company settled an outstanding claim with our insurance provider for these remediation efforts and recorded a receivable in the amount of $2,589. The settlement is recorded in the cost of sales line on the Consolidated Statement of Operations. Collection of the funds was completed in October 2020. Performance Guarantees The majority of Fuel Tech’s long-term equipment construction contracts contain language guaranteeing that the performance of the system that is being sold to the customer will meet specific criteria. On occasion, performance surety bonds and bank performance guarantees/letters of credit are issued to the customer in support of the construction contracts as follows:
| • | in support of the warranty period defined in the contract; or
| • | in support of the system performance criteria that are defined in the contract.
As of December 31, 2021, we had outstanding bank performance guarantees and letters of credit in the amount of $1,104 in support of equipment construction contracts that have not completed their final acceptance test or that are still operating under a warranty period. The performance guarantees and letters of credit expire in dates ranging from January 2022 through February 2023. The expiration dates may be extended if the project completion dates are extended. Our management believes it is probable that these projects will be successfully completed and that there will not be a material adverse impact on our operations from these bank performance guarantees and letters of credit. As a result, no liability has been recorded for these performance guarantees. Product Warranties Fuel Tech issues a standard product warranty with the sale of our products to customers. Our recognition of warranty liability is based primarily on analyses of warranty claims experience in the preceding years as the nature of our historical product sales for which we offer a warranty are substantially unchanged. This approach provides an aggregate warranty accrual that is historically aligned with actual warranty claims experienced. There was no change in the warranty liability included in the Other accrued liabilities line of the Consolidated Balance Sheet in 2021 and 2020. The warranty liability balance was $159 at December 31, 2021 and 2020.

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