| Period | Value | YoY Chg | Change % | Date | Report | Filed |
|---|---|---|---|---|---|---|
| Q4 2023 | $2 M | -$1 M | -33.3% | Dec 31, 2023 | 10-K | 2024-03-14 |
| Q4 2022 | $3 M | -$1 M | -25% | Dec 31, 2022 | 10-K | 2024-03-14 |
| Q4 2021 | $4 M | -$4 M | -50% | Dec 31, 2021 | 10-K | 2024-03-14 |
| Q4 2020 | $8 M | -$46 M | -85.2% | Dec 31, 2020 | 10-K | 2024-03-14 |
| Q4 2019 | $54 M | -$3 M | -5.26% | Dec 31, 2019 | 10-K | 2023-03-16 |
| Q4 2018 | $57 M | -$4 M | -6.56% | Dec 31, 2018 | 10-K | 2022-03-15 |
| Q4 2017 | $61 M | -$23 M | -27.4% | Dec 31, 2017 | 10-K | 2020-03-17 |
| Q4 2016 | $84 M | -$1 M | -1.18% | Dec 31, 2016 | 10-K | 2019-04-01 |
| Q4 2015 | $85 M | -$7 M | -7.61% | Dec 31, 2015 | 10-K | 2018-03-15 |
| Q4 2014 | $92 M | -$14 M | -13.2% | Dec 31, 2014 | 10-K | 2018-03-15 |
| Q4 2013 | $106 M | +$49 M | +86% | Dec 31, 2013 | 10-K | 2017-03-07 |
| Q4 2012 | $57 M | -$19 M | -25% | Dec 31, 2012 | 10-K | 2013-03-11 |
| Q4 2011 | $76 M | -$169 M | -69% | Dec 31, 2011 | 10-K | 2013-03-11 |
| Q4 2010 | $245 M | Dec 31, 2010 | 10-K | 2013-03-11 |