Quick Answer
CN ENERGY GROUP. INC. reported Research And Development Expense of $1.3 thousand for the year ending 2025.
- CN ENERGY GROUP. INC. showed a decrease of -99.1% in Research And Development Expense from 2024 to 2025.
- This data is from CN ENERGY GROUP. INC.'s annual report (Form 10-K), filed with the SEC on January 30, 2026.
- XBRL data for this metric is available from 2019 to 2025 (7 years of filings). Earlier data may not exist in machine-readable XBRL format as companies adopted electronic filing at different times.
- Over the full 7 years of available data (2019 to 2025), CN ENERGY GROUP. INC.'s Research And Development Expense has declined by 99.8%.
- Historical annual values: Fiscal year 2025: $1.3 thousand | Fiscal year 2024: $135.1 thousand | Fiscal year 2023: $988.6 thousand | Fiscal year 2022: $1.03 million | Fiscal year 2021: $385.5 thousand | Fiscal year 2020: $287.3 thousand | Fiscal year 2019: $594.0 thousand.
- Data sourced from SEC EDGAR public filings as of June 20, 2026.
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