ENERGY FOCUS, INC/DE Research And Development Expense

• ENERGY FOCUS, INC/DE showed a decrease of -21.4% in Research And Development Expense from 2024 to 2025.
• This data is from ENERGY FOCUS, INC/DE's annual report (Form 10-K), filed with the SEC on March 24, 2026.
• XBRL data for this metric is available from 2009 to 2025 (17 years of filings). Earlier data may not exist in machine-readable XBRL format as companies adopted electronic filing at different times.
• Over the full 17 years of available data (2009 to 2025), ENERGY FOCUS, INC/DE's Research And Development Expense has grown by 29.2%.
• Historical annual values: Fiscal year 2025: $412.0 thousand | Fiscal year 2024: $524.0 thousand | Fiscal year 2023: $587.0 thousand | Fiscal year 2022: $1.49 million | Fiscal year 2021: $1.89 million | Fiscal year 2020: $1.42 million | Fiscal year 2019: $1.28 million | Fiscal year 2018: $2.60 million | Fiscal year 2017: $2.94 million | Fiscal year 2016: $3.54 million | Fiscal year 2015: $2.81 million | Fiscal year 2014: $1.03 million | Fiscal year 2013: $595.0 thousand | Fiscal year 2012: $368.0 thousand | Fiscal year 2011: -$515.0 thousand | Fiscal year 2010: -$202.0 thousand | Fiscal year 2009: $319.0 thousand.
• Data sourced from SEC EDGAR public filings as of June 20, 2026.

Last verified: June 20, 2026