LIGHTBRIDGE CORPORATION Research and Development Expense
LIGHTBRIDGE CORPORATION (LTBR) reported Research and Development Expense of $3.91 million for the 3-month period ending 2026-06-30, per its 10-Q filed 2026-08-06.
Financial Statements › Expense Statement › Operating Expenses
us-gaap:ResearchAndDevelopmentExpense · last filed 2026-08-06
- LIGHTBRIDGE CORPORATION research and development expense for the quarter ending 2026-06-30 was $3.91M, a 138.31% increase year-over-year.
- LIGHTBRIDGE CORPORATION research and development expense for the quarter ending 2026-03-31 was $3.35M, a 100.95% increase year-over-year.
- LIGHTBRIDGE CORPORATION research and development expense for the quarter ending 2025-12-31 was $3.86M, a 182.74% increase year-over-year.
- LIGHTBRIDGE CORPORATION research and development expense for the quarter ending 2025-09-30 was $2.04M, a 57.08% increase year-over-year.
- LIGHTBRIDGE CORPORATION research and development expense for fiscal 2025 was $9.21M, a 100.27% increase from fiscal 2024.
- LIGHTBRIDGE CORPORATION research and development expense for fiscal 2024 was $4.60M, a 139.17% increase from fiscal 2023.
- LIGHTBRIDGE CORPORATION research and development expense for fiscal 2023 was $1.92M, a 187.07% increase from fiscal 2022.
- LIGHTBRIDGE CORPORATION research and development expense for fiscal 2022 was $669.82K, a 50.98% decline from fiscal 2021.
| Period end | Research and Development Expense 3 month | Research and Development Expense 6 month | Research and Development Expense 9 month | Research and Development Expense 12 month |
|---|---|---|---|---|
| 2026-06-30 | $3.91M 10-Q · filed 2026-08-06 | $7.26M 10-Q · filed 2026-08-06 | $11.12M derived: sum of 3 quarters · filed 2026-08-06 | $13.16M derived: sum of 4 quarters · filed 2026-08-06 |
| 2026-03-31 | $3.35M 10-Q · filed 2026-04-30 | $7.21M derived: sum of 2 quarters · filed 2026-04-30 | $9.25M derived: sum of 3 quarters · filed 2026-04-30 | $10.89M derived: sum of 4 quarters · filed 2026-08-06 |
| 2025-12-31 | $3.86M derived: 10-K 12 month − 10-Q 9 month · filed 2026-02-26 | $5.90M derived: sum of 2 quarters · filed 2026-02-26 | $7.54M derived: sum of 3 quarters · filed 2026-08-06 | $9.21M 10-K · filed 2026-02-26 |
| 2025-09-30 | $2.04M 10-Q · filed 2025-11-06 | $3.68M derived: sum of 2 quarters · filed 2026-08-06 | $5.35M 10-Q · filed 2025-11-06 | $6.71M derived: sum of 4 quarters · filed 2026-08-06 |
| 2025-06-30 | $1.64M 10-Q · filed 2026-08-06 | $3.31M 10-Q · filed 2026-08-06 | $4.67M derived: sum of 3 quarters · filed 2026-08-06 | $5.97M derived: sum of 4 quarters · filed 2026-08-06 |
| 2025-03-31 | $1.67M 10-Q · filed 2026-04-30 | $3.03M derived: sum of 2 quarters · filed 2026-04-30 | $4.33M derived: sum of 3 quarters · filed 2026-04-30 | $5.24M derived: sum of 4 quarters · filed 2026-04-30 |
| 2024-12-31 | $1.37M derived: 10-K 12 month − 10-Q 9 month · filed 2026-02-26 | $2.67M derived: sum of 2 quarters · filed 2026-02-26 | $3.58M derived: sum of 3 quarters · filed 2026-02-26 | $4.60M 10-K · filed 2026-02-26 |
| 2024-09-30 | $1.30M 10-Q · filed 2025-11-06 | $2.21M derived: sum of 2 quarters · filed 2025-11-06 | $3.23M 10-Q · filed 2025-11-06 | $3.79M derived: sum of 4 quarters · filed 2025-11-06 |
| 2024-06-30 | $909.61K 10-Q · filed 2025-08-13 | $1.93M 10-Q · filed 2025-08-13 | $2.49M derived: sum of 3 quarters · filed 2025-08-13 | $3.04M derived: sum of 4 quarters · filed 2025-08-13 |
| 2024-03-31 | $1.02M 10-Q · filed 2025-05-12 | $1.58M derived: sum of 2 quarters · filed 2025-05-12 | $2.13M derived: sum of 3 quarters · filed 2025-05-12 | $2.50M derived: sum of 4 quarters · filed 2025-05-12 |
| 2023-12-31 | $555.22K derived: 10-K 12 month − 10-Q 9 month · filed 2025-03-03 | $1.11M derived: sum of 2 quarters · filed 2025-03-03 | $1.47M derived: sum of 3 quarters · filed 2025-03-03 | $1.92M 10-K · filed 2025-03-03 |
| 2023-09-30 | $552.75K 10-Q · filed 2024-11-01 | $919.61K derived: sum of 2 quarters · filed 2024-11-01 | $1.37M 10-Q · filed 2024-11-01 | $1.44M derived: sum of 4 quarters · filed 2024-11-01 |
| 2023-06-30 | $366.86K 10-Q · filed 2024-08-01 | $814.90K 10-Q · filed 2024-08-01 | $883.55K derived: sum of 3 quarters · filed 2024-08-01 | $1.06M derived: sum of 4 quarters · filed 2024-08-01 |
| 2023-03-31 | $448.04K 10-Q · filed 2024-05-10 | $516.69K derived: sum of 2 quarters · filed 2024-05-10 | $689.56K derived: sum of 3 quarters · filed 2024-05-10 | $855.04K derived: sum of 4 quarters · filed 2024-05-10 |
| 2022-12-31 | $68.65K derived: 10-K 12 month − 10-Q 9 month · filed 2024-03-04 | $241.52K derived: sum of 2 quarters · filed 2024-03-04 | $407.00K derived: sum of 3 quarters · filed 2024-03-04 | $669.82K 10-K · filed 2024-03-04 |
| 2022-09-30 | $172.87K 10-Q · filed 2023-10-31 | $338.35K derived: sum of 2 quarters · filed 2023-10-31 | $601.17K 10-Q · filed 2023-10-31 | $885.27K derived: sum of 4 quarters · filed 2023-10-31 |
| 2022-06-30 | $165.48K 10-Q · filed 2023-07-31 | $428.30K 10-Q · filed 2023-07-31 | $712.40K derived: sum of 3 quarters · filed 2023-07-31 | $1.15M derived: sum of 4 quarters · filed 2023-07-31 |
| 2022-03-31 | $262.82K 10-Q · filed 2023-05-11 | $546.92K derived: sum of 2 quarters · filed 2023-05-11 | $986.55K derived: sum of 3 quarters · filed 2023-05-11 | $1.26M derived: sum of 4 quarters · filed 2023-05-11 |
| 2021-12-31 | $284.10K derived: 10-K 12 month − 10-Q 9 month · filed 2023-03-30 | $723.73K derived: sum of 2 quarters · filed 2023-03-30 | $997.05K derived: sum of 3 quarters · filed 2023-03-30 | $1.37M 10-K · filed 2023-03-30 |
| 2021-09-30 | $439.63K 10-Q · filed 2022-10-31 | $712.94K derived: sum of 2 quarters · filed 2022-10-31 | $1.08M 10-Q · filed 2022-10-31 | $1.21M derived: sum of 4 quarters · filed 2022-10-31 |
| 2021-06-30 | $273.31K 10-Q · filed 2022-07-28 | $642.76K 10-Q · filed 2022-07-28 | $766.89K derived: sum of 3 quarters · filed 2022-07-28 | $1.03M derived: sum of 4 quarters · filed 2022-07-28 |
| 2021-03-31 | $369.45K 10-Q · filed 2022-05-12 | $493.58K derived: sum of 2 quarters · filed 2022-05-12 | $755.48K derived: sum of 3 quarters · filed 2022-05-12 | $871.25K derived: sum of 4 quarters · filed 2022-05-12 |
| 2020-12-31 | $124.13K derived: 10-K 12 month − 10-Q 9 month · filed 2022-03-31 | $386.03K derived: sum of 2 quarters · filed 2022-03-31 | $501.80K derived: sum of 3 quarters · filed 2022-03-31 | $891.63K 10-K · filed 2022-03-31 |
| 2020-09-30 | $261.90K 10-Q · filed 2021-11-08 | $377.67K derived: sum of 2 quarters · filed 2021-11-08 | $767.50K 10-Q · filed 2021-11-08 | $1.22M derived: sum of 4 quarters · filed 2021-11-08 |
| 2020-06-30 | $115.78K 10-Q · filed 2021-08-09 | $505.60K 10-Q · filed 2021-08-09 | $962.93K derived: sum of 3 quarters · filed 2021-08-09 | $1.71M derived: sum of 4 quarters · filed 2021-08-09 |
| 2020-03-31 | $389.82K 10-Q · filed 2021-05-12 | $847.15K derived: sum of 2 quarters · filed 2021-05-12 | $1.60M derived: sum of 3 quarters · filed 2021-05-12 | $2.14M derived: sum of 4 quarters · filed 2021-05-12 |
| 2019-12-31 | $457.33K derived: 10-K 12 month − 10-Q 9 month · filed 2021-03-25 | $1.21M derived: sum of 2 quarters · filed 2021-03-25 | $1.75M derived: sum of 3 quarters · filed 2021-03-25 | $2.68M 10-K · filed 2021-03-25 |
| 2019-09-30 | $751.47K 10-Q · filed 2020-11-05 | $1.30M derived: sum of 2 quarters · filed 2020-11-05 | $2.22M 10-Q · filed 2020-11-05 | $3.36M derived: sum of 4 quarters · filed 2020-11-05 |
| 2019-06-30 | $545.12K 10-Q · filed 2020-08-11 | $1.47M 10-Q · filed 2020-08-11 | $2.61M derived: sum of 3 quarters · filed 2020-08-11 | $3.48M derived: sum of 4 quarters · filed 2020-08-11 |
| 2019-03-31 | $922.24K 10-Q · filed 2020-05-14 | $2.07M derived: sum of 2 quarters · filed 2020-05-14 | $2.93M derived: sum of 3 quarters · filed 2020-05-14 | $3.47M derived: sum of 4 quarters · filed 2020-05-14 |
| 2018-12-31 | $1.15M derived: 10-K 12 month − 10-Q 9 month · filed 2020-03-18 | $2.01M derived: sum of 2 quarters · filed 2020-03-18 | $2.55M derived: sum of 3 quarters · filed 2020-03-18 | $3.46M 10-K · filed 2020-03-18 |
| 2018-09-30 | $864.06K 10-Q · filed 2019-11-05 | $1.40M derived: sum of 2 quarters · filed 2019-11-05 | $2.31M 10-Q · filed 2019-11-05 | $3.13M derived: sum of 4 quarters · filed 2019-11-05 |
| 2018-06-30 | $538.03K 10-Q · filed 2019-08-08 | $1.45M 10-Q · filed 2019-08-08 | $2.26M derived: sum of 3 quarters · filed 2019-08-08 | $2.72M derived: sum of 4 quarters · filed 2019-08-08 |
| 2018-03-31 | $911.03K 10-Q · filed 2019-05-10 | $1.73M derived: sum of 2 quarters · filed 2019-05-10 | $2.18M derived: sum of 3 quarters · filed 2019-05-10 | $2.73M derived: sum of 4 quarters · filed 2019-05-10 |
| 2017-12-31 | $814.29K derived: 10-K 12 month − 10-Q 9 month · filed 2019-03-29 | $1.27M derived: sum of 2 quarters · filed 2019-03-29 | $1.82M derived: sum of 3 quarters · filed 2019-03-29 | $2.28M 10-K · filed 2019-03-29 |
| 2017-09-30 | $458.66K 10-Q · filed 2018-11-09 | $1.00M derived: sum of 2 quarters · filed 2018-11-09 | $1.47M 10-Q · filed 2018-11-09 | $2.77M derived: sum of 4 quarters · filed 2018-11-09 |
| 2017-06-30 | $545.64K 10-Q · filed 2018-08-09 | $1.01M 10-Q · filed 2018-08-09 | $2.31M derived: sum of 3 quarters · filed 2018-08-09 | $2.75M derived: sum of 4 quarters · filed 2018-08-09 |
| 2017-03-31 | $464.34K 10-Q · filed 2018-05-09 | $1.76M derived: sum of 2 quarters · filed 2018-05-09 | $2.20M derived: sum of 3 quarters · filed 2018-05-09 | $2.62M derived: sum of 4 quarters · filed 2018-05-09 |
| 2016-12-31 | $1.30M derived: 10-K 12 month − 10-Q 9 month · filed 2018-03-14 | $1.74M derived: sum of 2 quarters · filed 2018-03-14 | $2.16M derived: sum of 3 quarters · filed 2018-03-14 | $2.75M 10-K · filed 2018-03-14 |
| 2016-09-30 | $441.87K 10-Q · filed 2017-11-14 | $861.37K derived: sum of 2 quarters · filed 2017-11-14 | $1.45M 10-Q · filed 2017-11-14 | $2.02M derived: sum of 4 quarters · filed 2017-11-14 |
| 2016-06-30 | $419.50K 10-Q · filed 2017-08-08 | $1.01M 10-Q · filed 2017-08-08 | $1.58M derived: sum of 3 quarters · filed 2017-08-08 | $1.88M derived: sum of 4 quarters · filed 2017-08-08 |
| 2016-03-31 | $586.25K 10-Q · filed 2017-05-09 | $1.16M derived: sum of 2 quarters · filed 2017-05-09 | $1.46M derived: sum of 3 quarters · filed 2017-05-09 | $1.86M derived: sum of 4 quarters · filed 2017-05-09 |
| 2015-12-31 | $573.71K derived: 10-K 12 month − 10-Q 9 month · filed 2017-03-23 | $876.62K derived: sum of 2 quarters · filed 2017-03-23 | $1.27M derived: sum of 3 quarters · filed 2017-03-23 | $1.48M 10-K · filed 2017-03-23 |
| 2015-09-30 | $302.91K 10-Q · filed 2016-11-10 | $697.63K derived: sum of 2 quarters · filed 2016-11-10 | $910.46K 10-Q · filed 2016-11-10 | $1.27M derived: sum of 4 quarters · filed 2016-11-10 |
| 2015-06-30 | $394.71K 10-Q · filed 2016-08-11 | $607.54K 10-Q · filed 2016-08-11 | $969.47K derived: sum of 3 quarters · filed 2016-08-11 | $1.09M derived: sum of 4 quarters · filed 2016-08-11 |
| 2015-03-31 | $212.83K 10-Q · filed 2016-05-05 | $574.76K derived: sum of 2 quarters · filed 2016-05-05 | $690.90K derived: sum of 3 quarters · filed 2016-05-05 | $1.32M derived: sum of 4 quarters · filed 2016-05-05 |
| 2014-12-31 | $361.93K derived: 10-K 12 month − 10-Q 9 month · filed 2016-03-15 | $478.07K derived: sum of 2 quarters · filed 2016-03-15 | $1.10M derived: sum of 3 quarters · filed 2016-03-15 | $1.53M 10-K · filed 2016-03-15 |
| 2014-09-30 | $116.15K 10-Q · filed 2015-11-23 | $740.59K derived: sum of 2 quarters · filed 2015-11-23 | $1.17M 10-Q · filed 2015-11-23 | $1.38M derived: sum of 4 quarters · filed 2015-11-23 |
| 2014-06-30 | $624.45K 10-Q · filed 2015-11-23 | $1.06M 10-Q · filed 2015-11-23 | $1.27M derived: sum of 3 quarters · filed 2015-11-23 | $1.83M derived: sum of 4 quarters · filed 2015-11-23 |
| 2014-03-31 | $431.99K 10-Q · filed 2015-11-23 | $643.61K derived: sum of 2 quarters · filed 2015-11-23 | $1.20M derived: sum of 3 quarters · filed 2015-11-23 | $1.82M derived: sum of 4 quarters · filed 2015-11-23 |
| 2013-12-31 | $211.62K derived: 10-K 12 month − 10-Q 9 month · filed 2015-11-23 | $769.35K derived: sum of 2 quarters · filed 2015-11-23 | $1.38M derived: sum of 3 quarters · filed 2015-11-23 | $2.03M 10-K · filed 2015-11-23 |
| 2013-09-30 | $557.73K 10-Q · filed 2014-11-19 | $1.17M derived: sum of 2 quarters · filed 2014-11-19 | $1.82M 10-Q · filed 2014-11-19 | $2.32M derived: sum of 4 quarters · filed 2014-11-19 |
| 2013-06-30 | $615.28K 10-Q · filed 2014-08-05 | $1.26M 10-Q · filed 2014-08-05 | $1.77M derived: sum of 3 quarters · filed 2014-08-05 | $2.31M derived: sum of 4 quarters · filed 2014-08-05 |
| 2013-03-31 | $643.27K 10-Q · filed 2014-05-08 | $1.15M derived: sum of 2 quarters · filed 2014-05-08 | $1.69M derived: sum of 3 quarters · filed 2014-05-08 | $2.21M derived: sum of 4 quarters · filed 2014-05-08 |
| 2012-12-31 | $506.84K derived: 10-K 12 month − 10-Q 9 month · filed 2014-03-27 | $1.05M derived: sum of 2 quarters · filed 2014-03-27 | $1.57M derived: sum of 3 quarters · filed 2014-03-27 | $2.06M 10-K · filed 2014-03-27 |
| 2012-09-30 | $542.66K 10-Q · filed 2013-11-07 | $1.06M derived: sum of 2 quarters · filed 2013-11-07 | $1.56M 10-Q · filed 2013-11-07 | $2.19M derived: sum of 4 quarters · filed 2013-11-07 |
| 2012-06-30 | $518.36K 10-Q · filed 2013-08-01 | $1.02M 10-Q · filed 2013-08-01 | $1.65M derived: sum of 3 quarters · filed 2013-08-01 | $2.24M derived: sum of 4 quarters · filed 2013-08-01 |
| 2012-03-31 | $496.71K 10-Q · filed 2013-05-08 | $1.13M derived: sum of 2 quarters · filed 2013-05-08 | $1.72M derived: sum of 3 quarters · filed 2013-05-08 | $2.26M derived: sum of 4 quarters · filed 2013-05-08 |
| 2011-12-31 | $632.87K derived: 10-K 12 month − 10-Q 9 month · filed 2013-03-01 | $1.22M derived: sum of 2 quarters · filed 2013-03-01 | $1.76M derived: sum of 3 quarters · filed 2013-03-01 | $2.35M 10-K · filed 2013-03-01 |
| 2011-09-30 | $591.09K 10-Q · filed 2012-11-09 | $1.13M derived: sum of 2 quarters · filed 2012-11-09 | $1.72M 10-Q · filed 2012-11-09 | $2.10M derived: sum of 4 quarters · filed 2012-11-09 |
| 2011-06-30 | $539.15K 10-Q · filed 2012-08-03 | $1.13M 10-Q · filed 2012-08-03 | $1.50M derived: sum of 3 quarters · filed 2012-08-03 | $2.07M derived: sum of 4 quarters · filed 2012-08-03 |
| 2011-03-31 | $499.64K 10-Q · filed 2012-05-10 | $965.48K derived: sum of 2 quarters · filed 2012-05-10 | $1.53M derived: sum of 3 quarters · filed 2012-05-10 | $1.69M derived: sum of 4 quarters · filed 2012-05-10 |
| 2010-12-31 | $465.84K derived: 10-K 12 month − 10-Q 9 month · filed 2012-02-22 | $1.03M derived: sum of 2 quarters · filed 2012-02-22 | $1.19M derived: sum of 3 quarters · filed 2012-02-22 | $1.61M 10-K · filed 2012-02-22 |
| 2010-09-30 | $562.78K 10-Q · filed 2011-11-09 | $721.02K derived: sum of 2 quarters · filed 2011-11-09 | $1.14M 10-Q · filed 2011-11-09 | |
| 2010-06-30 | $158.24K 10-Q · filed 2011-08-09 | $362.98K 10-Q · filed 2011-08-09 |
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