| Period | Value | YoY Chg | Change % | Date | Report | Filed |
|---|---|---|---|---|---|---|
| Q4 2023 | $2.02 M | -$2.24 M | -52.6% | Dec 31, 2023 | 10-K | 2024-02-23 |
| Q4 2022 | $4.26 M | -$1.85 M | -30.2% | Dec 31, 2022 | 10-K | 2024-02-23 |
| Q4 2021 | $6.11 M | -$1.13 M | -15.6% | Dec 31, 2021 | 10-K | 2024-02-23 |
| Q4 2020 | $7.23 M | -$331 K | -4.38% | Dec 31, 2020 | 10-K | 2024-02-23 |
| Q4 2019 | $7.56 M | -$545 K | -6.72% | Dec 31, 2019 | 10-K | 2023-02-23 |
| Q4 2018 | $8.11 M | -$1.23 M | -13.2% | Dec 31, 2018 | 10-K | 2022-03-01 |
| Q4 2017 | $9.34 M | -$5.72 M | -38% | Dec 31, 2017 | 10-K | 2021-02-25 |
| Q4 2016 | $15.1 M | -$19.3 M | -56.2% | Dec 31, 2016 | 10-K | 2020-02-21 |
| Q4 2015 | $34.4 M | -$16.7 M | -32.7% | Dec 31, 2015 | 10-K | 2019-02-21 |
| Q4 2014 | $51.1 M | -$4.69 M | -8.4% | Dec 31, 2014 | 10-K | 2018-02-22 |
| Q4 2013 | $55.8 M | -$6.34 M | -10.2% | Dec 31, 2013 | 10-K | 2017-02-23 |
| Q4 2012 | $62.1 M | -$12.9 M | -17.2% | Dec 31, 2012 | 10-K | 2016-02-25 |
| Q4 2011 | $75 M | -$14.3 M | -16% | Dec 31, 2011 | 10-K | 2015-02-20 |
| Q4 2010 | $89.3 M | Dec 31, 2010 | 10-K | 2014-02-24 |