| Period | Value | YoY Chg | Change % | Date | Report | Filed |
|---|---|---|---|---|---|---|
| Q4 2023 | $11.1M | -$1.13M | -9.19% | Dec 31, 2023 | 10-K | 2024-02-20 |
| Q4 2022 | $12.3M | +$996K | +8.84% | Dec 31, 2022 | 10-K | 2024-02-20 |
| Q4 2021 | $11.3M | +$1.48M | +15.1% | Dec 31, 2021 | 10-K | 2024-02-20 |
| Q4 2020 | $9.79M | +$431K | +4.61% | Dec 31, 2020 | 10-K | 2024-02-20 |
| Q4 2019 | $9.35M | +$936K | +11.1% | Dec 31, 2019 | 10-K | 2023-02-10 |
| Q4 2018 | $8.42M | +$5.53M | +192% | Dec 31, 2018 | 10-K | 2022-02-14 |
| Q4 2017 | $2.89M | +$2.16M | +295% | Dec 31, 2017 | 10-K | 2021-02-12 |
| Q4 2016 | $731K | -$83K | -10.2% | Dec 31, 2016 | 10-K | 2020-02-14 |
| Q4 2015 | $814K | -$3.76M | -82.2% | Dec 31, 2015 | 10-K | 2019-02-15 |
| Q4 2014 | $4.57M | -$1.54M | -25.2% | Dec 31, 2014 | 10-K | 2018-02-20 |
| Q4 2013 | $6.11M | -$987K | -13.9% | Dec 31, 2013 | 10-K | 2017-02-13 |
| Q4 2012 | $7.1M | -$4.57M | -39.2% | Dec 31, 2012 | 10-K | 2016-02-17 |
| Q4 2011 | $11.7M | -$836K | -6.69% | Dec 31, 2011 | 10-K | 2015-02-13 |
| Q4 2010 | $12.5M | Dec 31, 2010 | 10-K | 2014-02-14 |