| Period | Value | YoY Chg | Change % | Date | Report | Filed |
|---|---|---|---|---|---|---|
| Q4 2023 | $0 | $0 | Dec 31, 2023 | 10-K | 2024-03-04 | |
| Q4 2022 | $0 | $0 | Dec 31, 2022 | 10-K | 2024-03-04 | |
| Q4 2021 | $0 | -$416K | -100% | Dec 31, 2021 | 10-K | 2024-03-04 |
| Q4 2020 | $416K | +$286K | +220% | Dec 31, 2020 | 10-K | 2024-03-04 |
| Q4 2019 | $130K | -$998K | -88.5% | Dec 31, 2019 | 10-K | 2023-02-27 |
| Q4 2018 | $1.13M | +$388K | +52.4% | Dec 31, 2018 | 10-K | 2022-02-28 |
| Q4 2017 | $740K | -$298K | -28.7% | Dec 31, 2017 | 10-K | 2021-02-24 |
| Q4 2016 | $1.04M | +$908K | +698% | Dec 31, 2016 | 10-K | 2020-02-24 |
| Q4 2015 | $130K | -$13K | -9.09% | Dec 31, 2015 | 10-K | 2019-02-26 |
| Q4 2014 | $143K | -$219K | -60.5% | Dec 31, 2014 | 10-K | 2018-03-13 |
| Q4 2013 | $362K | -$172K | -32.2% | Dec 31, 2013 | 10-K | 2017-03-23 |
| Q4 2012 | $534K | +$102K | +23.6% | Dec 31, 2012 | 10-K | 2016-03-10 |
| Q4 2011 | $432K | -$540K | -55.6% | Dec 31, 2011 | 10-K | 2015-03-11 |
| Q4 2010 | $972K | Dec 31, 2010 | 10-K | 2014-03-13 |