| Period | Value | YoY Chg | Change % | Date | Report | Filed |
|---|---|---|---|---|---|---|
| Q4 2023 | $1.86 M | -$704 K | -27.5% | Dec 31, 2023 | 10-K | 2024-02-16 |
| Q4 2022 | $2.56 M | -$367 K | -12.5% | Dec 31, 2022 | 10-K | 2024-02-16 |
| Q4 2021 | $2.93 M | +$1.54 M | +110% | Dec 31, 2021 | 10-K | 2024-02-16 |
| Q4 2020 | $1.39 M | -$147 K | -9.55% | Dec 31, 2020 | 10-K | 2024-02-16 |
| Q4 2019 | $1.54 M | -$128 K | -7.67% | Dec 31, 2019 | 10-K | 2023-02-17 |
| Q4 2018 | $1.67 M | -$247 K | -12.9% | Dec 31, 2018 | 10-K | 2022-02-18 |
| Q4 2017 | $1.92 M | +$24 K | +1.27% | Dec 31, 2017 | 10-K | 2021-02-19 |
| Q4 2016 | $1.89 M | -$2.19 M | -53.6% | Dec 31, 2016 | 10-K | 2020-02-21 |
| Q4 2015 | $4.08 M | +$662 K | +19.4% | Dec 31, 2015 | 10-K | 2019-02-22 |
| Q4 2014 | $3.42 M | -$296 K | -7.97% | Dec 31, 2014 | 10-K | 2018-02-23 |
| Q4 2013 | $3.71 M | +$341 K | +10.1% | Dec 31, 2013 | 10-K | 2017-02-24 |
| Q4 2012 | $3.37 M | -$742 K | -18% | Dec 31, 2012 | 10-K | 2016-02-29 |
| Q4 2011 | $4.11 M | +$3.16 M | +331% | Dec 31, 2011 | 10-K | 2015-02-27 |
| Q4 2010 | $954 K | Dec 31, 2010 | 10-K | 2014-02-28 |