| Period | Value | YoY Chg | Change % | Date | Report | Filed |
|---|---|---|---|---|---|---|
| Q4 2023 | $3.8 M | -$1.6 M | -29.6% | Dec 31, 2023 | 10-K | 2024-02-27 |
| Q4 2022 | $5.4 M | -$2.8 M | -34.1% | Dec 31, 2022 | 10-K | 2024-02-27 |
| Q4 2021 | $8.2 M | -$2.6 M | -24.1% | Dec 31, 2021 | 10-K | 2024-02-27 |
| Q4 2020 | $10.8 M | -$2.8 M | -20.6% | Dec 31, 2020 | 10-K | 2024-02-27 |
| Q4 2019 | $13.6 M | -$1.6 M | -10.5% | Dec 31, 2019 | 10-K | 2023-02-27 |
| Q4 2018 | $15.2 M | +$4.3 M | +39.5% | Dec 31, 2018 | 10-K | 2022-02-28 |
| Q4 2017 | $10.9 M | -$300 K | -2.68% | Dec 31, 2017 | 10-K | 2021-02-24 |
| Q4 2016 | $11.2 M | +$7.4 M | +195% | Dec 31, 2016 | 10-K | 2020-02-25 |
| Q4 2015 | $3.8 M | -$500 K | -11.6% | Dec 31, 2015 | 10-K | 2019-02-26 |
| Q4 2014 | $4.3 M | -$1 M | -18.9% | Dec 31, 2014 | 10-K | 2018-02-27 |
| Q4 2013 | $5.3 M | -$1.5 M | -22.1% | Dec 31, 2013 | 10-K | 2017-02-28 |
| Q4 2012 | $6.8 M | -$900 K | -11.7% | Dec 31, 2012 | 10-K | 2016-02-17 |
| Q4 2011 | $7.7 M | -$200 K | -2.53% | Dec 31, 2011 | 10-K | 2015-02-19 |
| Q4 2010 | $7.9 M | Dec 31, 2010 | 10-K | 2014-02-19 |