| Period | Value | YoY Chg | Change % | Date | Report | Filed |
|---|---|---|---|---|---|---|
| Q4 2023 | $0 | $0 | Dec 31, 2023 | 10-K | 2024-02-22 | |
| Q4 2022 | $0 | $0 | Dec 31, 2022 | 10-K | 2024-02-22 | |
| Q4 2021 | $0 | $0 | Dec 31, 2021 | 10-K | 2023-02-23 | |
| Q4 2020 | $0 | $0 | Dec 31, 2020 | 10-K | 2022-02-23 | |
| Q4 2019 | $0 | $0 | Dec 31, 2019 | 10-K | 2021-03-11 | |
| Q4 2018 | $0 | -$1.01 M | -100% | Dec 31, 2018 | 10-K | 2020-03-05 |
| Q4 2017 | $1.01 M | -$7 K | -0.69% | Dec 31, 2017 | 10-K | 2019-03-15 |
| Q4 2016 | $1.02 M | -$46 K | -4.31% | Dec 31, 2016 | 10-K | 2019-03-15 |
| Q4 2015 | $1.07 M | -$29 K | -2.65% | Dec 31, 2015 | 10-K | 2019-03-15 |
| Q4 2014 | $1.1 M | -$76 K | -6.49% | Dec 31, 2014 | 10-K | 2018-03-26 |
| Q4 2013 | $1.17 M | -$1.58 M | -57.4% | Dec 31, 2013 | 10-K | 2017-03-07 |
| Q4 2012 | $2.75 M | +$149 K | +5.72% | Dec 31, 2012 | 10-K | 2016-03-03 |
| Q4 2011 | $2.61 M | -$264 K | -9.2% | Dec 31, 2011 | 10-K | 2015-03-02 |
| Q4 2010 | $2.87 M | Dec 31, 2010 | 10-K | 2014-03-03 |