Unrecognized Tax Benefits in USD of FUEL TECH, INC. from Q4 2010 to Q4 2024

Taxonomy & unit
us-gaap: USD
Description
Amount of unrecognized tax benefits.
Summary
FUEL TECH, INC. quarterly Unrecognized Tax Benefits history and change rate from Q4 2010 to Q4 2024.
  • FUEL TECH, INC. Unrecognized Tax Benefits for the quarter ending 31 Dec 2024 was $470,000, a 44% increase year-over-year.
Source SEC data
View on sec.gov
Unrecognized Tax Benefits, Quarterly (USD)
Unrecognized Tax Benefits, YoY Quarterly Change (%)

FUEL TECH, INC. Quarterly Unrecognized Tax Benefits (USD)

Period Value YoY Chg Change % Date Report Filed Fiscal Year Fiscal Period
Q4 2024 $470,000 +$144,000 +44% 31 Dec 2024 10-K 04 Mar 2025 2024 FY
Q3 2024 $0 $0 30 Sep 2024 10-Q 06 Nov 2024 2024 Q3
Q2 2024 $0 $0 30 Jun 2024 10-Q 06 Aug 2024 2024 Q2
Q1 2024 $0 $0 31 Mar 2024 10-Q 07 May 2024 2024 Q1
Q4 2023 $326,000 +$33,000 +11% 31 Dec 2023 10-K 04 Mar 2025 2024 FY
Q3 2023 $0 $0 30 Sep 2023 10-Q 07 Nov 2023 2023 Q3
Q2 2023 $0 $0 30 Jun 2023 10-Q 08 Aug 2023 2023 Q2
Q1 2023 $0 $0 31 Mar 2023 10-Q 09 May 2023 2023 Q1
Q4 2022 $293,000 +$28,000 +11% 31 Dec 2022 10-K 04 Mar 2025 2024 FY
Q3 2022 $0 $0 30 Sep 2022 10-Q 08 Nov 2022 2022 Q3
Q2 2022 $0 $0 30 Jun 2022 10-Q 10 Aug 2022 2022 Q2
Q1 2022 $0 $0 31 Mar 2022 10-Q 10 May 2022 2022 Q1
Q4 2021 $265,000 +$265,000 31 Dec 2021 10-K 11 Mar 2024 2023 FY
Q3 2021 $0 $0 30 Sep 2021 10-Q 09 Nov 2021 2021 Q3
Q2 2021 $0 $0 30 Jun 2021 10-Q 10 Aug 2021 2021 Q2
Q1 2021 $0 $0 31 Mar 2021 10-Q 12 May 2021 2021 Q1
Q4 2020 $0 $0 31 Dec 2020 10-K 08 Mar 2022 2021 FY
Q3 2020 $0 $0 30 Sep 2020 10-Q 10 Nov 2020 2020 Q3
Q2 2020 $0 $0 30 Jun 2020 10-Q 11 Aug 2020 2020 Q2
Q1 2020 $0 $0 31 Mar 2020 10-Q 12 May 2020 2020 Q1
Q4 2019 $0 $0 31 Dec 2019 10-K 15 Mar 2021 2020 FY
Q3 2019 $0 $0 30 Sep 2019 10-Q 13 Nov 2019 2019 Q3
Q2 2019 $0 $0 30 Jun 2019 10-Q 13 Aug 2019 2019 Q2
Q1 2019 $0 $0 31 Mar 2019 10-Q 13 May 2019 2019 Q1
Q4 2018 $0 $0 31 Dec 2018 10-K 12 Mar 2020 2019 FY
Q3 2018 $0 $0 30 Sep 2018 10-Q 13 Nov 2018 2018 Q3
Q2 2018 $0 $0 30 Jun 2018 10-Q 13 Aug 2018 2018 Q2
Q1 2018 $0 $0 31 Mar 2018 10-Q 09 May 2018 2018 Q1
Q4 2017 $0 $0 31 Dec 2017 10-K 12 Mar 2020 2019 FY
Q3 2017 $0 -$37,000 -100% 30 Sep 2017 10-Q 13 Nov 2017 2017 Q3
Q2 2017 $0 -$140,000 -100% 30 Jun 2017 10-Q 14 Aug 2017 2017 Q2
Q1 2017 $0 -$140,000 -100% 31 Mar 2017 10-Q 11 May 2017 2017 Q1
Q4 2016 $0 -$140,000 -100% 31 Dec 2016 10-K 12 Mar 2018 2017 FY
Q3 2016 $37,000 -$118,000 -76% 30 Sep 2016 10-Q 08 Nov 2016 2016 Q3
Q2 2016 $140,000 +$23,000 +20% 30 Jun 2016 10-Q 09 Aug 2016 2016 Q2
Q1 2016 $140,000 +$23,000 +20% 31 Mar 2016 10-Q 10 May 2016 2016 Q1
Q4 2015 $140,000 +$23,000 +20% 31 Dec 2015 10-K 12 Mar 2018 2017 FY
Q3 2015 $155,000 +$38,000 +32% 30 Sep 2015 10-Q 09 Nov 2015 2015 Q3
Q2 2015 $117,000 +$52,000 +80% 30 Jun 2015 10-Q 10 Aug 2015 2015 Q2
Q1 2015 $117,000 +$52,000 +80% 31 Mar 2015 10-Q 11 May 2015 2015 Q1
Q4 2014 $117,000 +$52,000 +80% 31 Dec 2014 10-K 12 Mar 2018 2017 FY
Q3 2014 $117,000 +$75,000 +179% 30 Sep 2014 10-Q 06 Nov 2014 2014 Q3
Q2 2014 $65,000 +$23,000 +55% 30 Jun 2014 10-Q 11 Aug 2014 2014 Q2
Q1 2014 $65,000 +$23,000 +55% 31 Mar 2014 10-Q 12 May 2014 2014 Q1
Q4 2013 $65,000 +$26,000 +67% 31 Dec 2013 10-K 14 Mar 2017 2016 FY
Q3 2013 $42,000 30 Sep 2013 10-Q 12 Nov 2013 2013 Q3
Q2 2013 $42,000 30 Jun 2013 10-Q 07 Aug 2013 2013 Q2
Q1 2013 $42,000 31 Mar 2013 10-Q 07 May 2013 2013 Q1
Q4 2012 $39,000 -$466,000 -92% 31 Dec 2012 10-K 24 Mar 2016 2015 FY
Q4 2011 $505,000 -$159,000 -24% 31 Dec 2011 10-K 16 Mar 2015 2014 FY
Q4 2010 $664,000 31 Dec 2010 10-K 10 Mar 2014 2013 FY
* An asterisk sign (*) next to the value indicates that the value is likely invalid.