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Note 4 - Restructuring Activities | 3 Months Ended
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Mar. 31, 2025
Notes to Financial Statements |
Restructuring and Related Activities Disclosure [Text Block] | 4. Restructuring Activities On January 18, 2019, the Company announced a planned suspension of its APC business operation in China. This action was part of Fuel Tech’s ongoing operational improvement initiatives designed to prioritize resource allocation, reduce costs, and drive profitability for the Company on a global basis. The transition associated with the suspension of the APC business which has taken place through March 31, 2025 includes staff rationalization and reduction, supplier and partner engagement, and the monetization of certain assets. The remaining transition activities include the execution of the activities to satisfy the requirements for the remaining APC projects in China (with a backlog totaling approximately $3) and those related to subsidiary closure. The following table presents our revenues and net loss for the three months ended March 31, 2025 and 2024 in China as follows:
|  | Three Months Ended |
|  | March 31, |
|  | 2025 |  |  | 2024 |
Total revenues |  | $ | — |  |  | $ | — |
Net loss |  |  | (18 | ) |  |  | (13 | )
The following table presents net assets in China as of March 31, 2025 and December 31, 2024:
|  | As of |
|  | March 31, 2025 |  |  | December 31, 2024 |
Total assets |  | $ | 794 |  |  | $ | 788 |
Total liabilities |  |  | 89 |  |  |  | 84 |
Total net assets |  | $ | 705 |  |  | $ | 704 |
Total assets primarily consist of cash and other receivables. Total liabilities consist of accounts payable and certain accrued liabilities.

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- Definition The entire disclosure for restructuring and related activities. Description of restructuring activities such as exit and disposal activities, include facts and circumstances leading to the plan, the expected plan completion date, the major types of costs associated with the plan activities, total expected costs, the accrual balance at the end of the period, and the periods over which the remaining accrual will be settled. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 420 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 2 -Subparagraph (SAB Topic 5.P.4.e) -Publisher FASB -URI https://asc.fasb.org/1943274/2147479823/420-10-S99-2 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 420 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Subparagraph (b)(2) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482017/420-10-50-1 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Topic 420 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482017/420-10-50-1 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Topic 420 -Name Accounting Standards Codification -Publisher FASB -URI https://asc.fasb.org/420/tableOfContent Reference 5: http://www.xbrl.org/2003/role/disclosureRef -Topic 420 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Subparagraph (e) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482017/420-10-50-1 + Details
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