| Period | Value | YoY Chg | Change % | Date | Report | Filed |
|---|---|---|---|---|---|---|
| Q4 2023 | $2.4 M | -$100 K | -4% | Dec 31, 2023 | 10-K | 2024-02-07 |
| Q4 2022 | $2.5 M | -$7.2 M | -74.2% | Dec 31, 2022 | 10-K | 2024-02-07 |
| Q4 2021 | $9.7 M | -$800 K | -7.62% | Dec 31, 2021 | 10-K | 2024-02-07 |
| Q4 2020 | $10.5 M | -$7.6 M | -42% | Dec 31, 2020 | 10-K | 2024-02-07 |
| Q4 2019 | $18.1 M | +$10.6 M | +141% | Dec 31, 2019 | 10-K | 2023-02-08 |
| Q4 2018 | $7.5 M | -$4.8 M | -39% | Dec 31, 2018 | 10-K | 2022-02-09 |
| Q4 2017 | $12.3 M | -$4.4 M | -26.3% | Dec 31, 2017 | 10-K | 2021-02-09 |
| Q4 2016 | $16.7 M | -$8.6 M | -34% | Dec 31, 2016 | 10-K | 2020-02-18 |
| Q4 2015 | $25.3 M | -$17.8 M | -41.3% | Dec 31, 2015 | 10-K | 2019-02-06 |
| Q4 2014 | $43.1 M | +$400 K | +0.94% | Dec 31, 2014 | 10-K | 2018-02-07 |
| Q4 2013 | $42.7 M | +$10.1 M | +31% | Dec 31, 2013 | 10-K | 2017-02-09 |
| Q4 2012 | $32.6 M | +$20.1 M | +161% | Dec 31, 2012 | 10-K | 2016-02-04 |
| Q4 2011 | $12.5 M | -$7.6 M | -37.8% | Dec 31, 2011 | 10-K | 2015-02-05 |
| Q4 2010 | $20.1 M | Dec 31, 2010 | 10-K | 2014-02-05 |