| Period | TTM Value | Value | YoY Chg | Change % | Start Date | End Date | Report | Filed | Fiscal Year | Fiscal Period |
|---|---|---|---|---|---|---|---|---|---|---|
| Q1 2023 | $0 | -$26,000 | -100% | 01 Jan 2023 | 31 Mar 2023 | 10-Q | 11 May 2023 | 2023 | Q1 | |
| Q1 2022 | $26,000 | -$139,000 | -84% | 01 Jan 2022 | 31 Mar 2022 | 10-Q | 11 May 2023 | 2023 | Q1 | |
| Q1 2021 | $165,000 | +$95,000 | +136% | 01 Jan 2021 | 31 Mar 2021 | 10-Q | 09 May 2022 | 2022 | Q1 | |
| Q1 2020 | $70,000 | -$557,000 | -89% | 01 Jan 2020 | 31 Mar 2020 | 10-Q | 06 May 2021 | 2021 | Q1 | |
| Q1 2019 | $627,000 | +$122,000 | +24% | 01 Jan 2019 | 31 Mar 2019 | 10-Q | 07 May 2020 | 2020 | Q1 | |
| Q1 2018 | $505,000 | 01 Jan 2018 | 31 Mar 2018 | 10-Q | 10 May 2019 | 2019 | Q1 |
| Period | Value | YoY Chg | Change % | Start Date | End Date | Report | Filed | Fiscal Year | Fiscal Period |
|---|---|---|---|---|---|---|---|---|---|
| 2022 | $284,000 | -$483,000 | -63% | 01 Jan 2022 | 31 Dec 2022 | 10-K | 17 Apr 2023 | 2022 | FY |
| 2021 | $767,000 | -$788,000 | -51% | 01 Jan 2021 | 31 Dec 2021 | 10-K | 17 Apr 2023 | 2022 | FY |
| 2020 | $1,555,000 | -$81,000 | -5% | 01 Jan 2020 | 31 Dec 2020 | 10-K | 11 Mar 2022 | 2021 | FY |
| 2019 | $1,636,000 | -$2,114,000 | -56% | 01 Jan 2019 | 31 Dec 2019 | 10-K | 11 Mar 2022 | 2021 | FY |
| 2018 | $3,750,000 | +$1,981,000 | +112% | 01 Jan 2018 | 31 Dec 2018 | 10-K | 08 Mar 2021 | 2020 | FY |
| 2017 | $1,769,000 | +$1,173,000 | +197% | 01 Jan 2017 | 31 Dec 2017 | 10-K | 16 Mar 2020 | 2019 | FY |
| 2016 | $596,000 | 01 Jan 2016 | 31 Dec 2016 | 10-K | 15 Mar 2019 | 2018 | FY |