Quick Answer
ClearSign Technologies Corp reported Research And Development Expense of $1.42 million for the year ending 2025.
- ClearSign Technologies Corp showed a decrease of -3.3% in Research And Development Expense from 2024 to 2025.
- This data is from ClearSign Technologies Corp's annual report (Form 10-K), filed with the SEC on March 31, 2026.
- XBRL data for this metric is available from 2011 to 2025 (15 years of filings). Earlier data may not exist in machine-readable XBRL format as companies adopted electronic filing at different times.
- Quarterly values from 10-Q filings: Q1 2011: $22.9 thousand | Q2 2011: $97.2 thousand | Q3 2011: $193.7 thousand | Q1 2012: $264.0 thousand | Q2 2012: $291.0 thousand | Q3 2012: $331.0 thousand | Q1 2013: $458.0 thousand | Q2 2013: $537.0 thousand | Q3 2013: $470.0 thousand | Q1 2014: $607.0 thousand | Q2 2014: $556.0 thousand | Q3 2014: $673.0 thousand | Q1 2015: $573.0 thousand | Q2 2015: $714.0 thousand | Q3 2015: $815.0 thousand | Q1 2016: $1.33 million | Q2 2016: $1.22 million | Q3 2016: $1.23 million | Q1 2017: $1.17 million | Q2 2017: $1.14 million | Q3 2017: $1.33 million | Q1 2018: $1.13 million | Q2 2018: $1.02 million | Q3 2018: $980.0 thousand | Q1 2019: $902.0 thousand | Q2 2019: $864.0 thousand | Q3 2019: $796.0 thousand | Q1 2020: $810.0 thousand | Q2 2020: $418.0 thousand | Q3 2020: $362.0 thousand | Q1 2021: $826.0 thousand | Q2 2021: $472.0 thousand | Q3 2021: $1.14 million | Q1 2022: $108.0 thousand | Q2 2022: $188.0 thousand | Q3 2022: $97.0 thousand | Q1 2023: $160.0 thousand | Q2 2023: $187.0 thousand | Q3 2023: $93.0 thousand | Q1 2024: $281.0 thousand | Q2 2024: $402.0 thousand | Q3 2024: $329.0 thousand | Q1 2025: $447.0 thousand | Q2 2025: $247.0 thousand | Q3 2025: $310.0 thousand.
- Over the full 15 years of available data (2011 to 2025), ClearSign Technologies Corp's Research And Development Expense has grown by 207.1%.
- Historical annual values: Fiscal year 2025: $1.42 million | Fiscal year 2024: $1.47 million | Fiscal year 2023: $739.0 thousand | Fiscal year 2022: $505.0 thousand | Fiscal year 2021: $2.68 million | Fiscal year 2020: $2.03 million | Fiscal year 2019: $3.06 million | Fiscal year 2018: $4.05 million | Fiscal year 2017: $4.71 million | Fiscal year 2016: $4.83 million | Fiscal year 2015: $2.93 million | Fiscal year 2014: $2.22 million | Fiscal year 2013: $1.85 million | Fiscal year 2012: $1.18 million | Fiscal year 2011: $463.0 thousand.
- Data sourced from SEC EDGAR public filings as of August 6, 2026.
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