| Period | Value | YoY Chg | Change % | Date | Report | Filed | Fiscal Year | Fiscal Period |
|---|---|---|---|---|---|---|---|---|
| Q4 2023 | $0 | -$543,000 | -100% | 31 Dec 2023 | 10-K | 28 Feb 2024 | 2023 | FY |
| Q4 2022 | $543,000 | -$243,000 | -31% | 31 Dec 2022 | 10-K | 28 Feb 2024 | 2023 | FY |
| Q4 2021 | $786,000 | -$1,935,000 | -71% | 31 Dec 2021 | 10-K | 21 Feb 2023 | 2022 | FY |
| Q4 2020 | $2,721,000 | +$989,000 | +57% | 31 Dec 2020 | 10-K | 22 Feb 2022 | 2021 | FY |
| Q4 2019 | $1,732,000 | 31 Dec 2019 | 10-K | 22 Feb 2021 | 2020 | FY | ||
| Q4 2011 | $0 | -$226,000 | -100% | 31 Dec 2011 | 10-K | 28 Feb 2012 | 2011 | FY |
| Q4 2010 | $226,000 | 31 Dec 2010 | 10-K | 28 Feb 2012 | 2011 | FY |