| Period | Value | YoY Chg | Change % | Date | Report | Filed |
|---|---|---|---|---|---|---|
| Q4 2023 | $31 M | +$1 M | +3.33% | Dec 31, 2023 | 10-K | 2024-02-21 |
| Q4 2022 | $30 M | +$1 M | +3.45% | Dec 31, 2022 | 10-K | 2024-02-21 |
| Q4 2021 | $29 M | -$17 M | -37% | Dec 31, 2021 | 10-K | 2024-02-21 |
| Q4 2020 | $46 M | +$24 M | +109% | Dec 31, 2020 | 10-K | 2023-02-21 |
| Q4 2019 | $22 M | -$8 M | -26.7% | Dec 31, 2019 | 10-K | 2022-02-22 |
| Q4 2018 | $30 M | -$9 M | -23.1% | Dec 31, 2018 | 10-K | 2021-02-24 |
| Q4 2017 | $39 M | -$47 M | -54.7% | Dec 31, 2017 | 10-K | 2020-02-19 |
| Q4 2016 | $86 M | +$74 M | +617% | Dec 31, 2016 | 10-K | 2019-02-25 |
| Q4 2015 | $12 M | -$11 M | -47.8% | Dec 31, 2015 | 10-K | 2018-02-21 |
| Q4 2014 | $23 M | -$11 M | -32.4% | Dec 31, 2014 | 10-K | 2017-02-22 |
| Q4 2013 | $34 M | -$3 M | -8.11% | Dec 31, 2013 | 10-K | 2016-02-19 |
| Q4 2012 | $37 M | +$2 M | +5.71% | Dec 31, 2012 | 10-K | 2015-02-20 |
| Q4 2011 | $35 M | +$6 M | +20.7% | Dec 31, 2011 | 10-K | 2014-02-24 |
| Q4 2010 | $29 M | Dec 31, 2010 | 10-K | 2013-02-28 |