| Period | Value | YoY Chg | Change % | Date | Report | Filed |
|---|---|---|---|---|---|---|
| Q4 2023 | $28.6M | +$2.39M | +9.12% | Dec 31, 2023 | 10-K | 2024-02-15 |
| Q4 2022 | $26.2M | +$1.97M | +8.13% | Dec 31, 2022 | 10-K | 2024-02-15 |
| Q4 2021 | $24.2M | +$3.09M | +14.6% | Dec 31, 2021 | 10-K | 2024-02-15 |
| Q4 2020 | $21.1M | +$3.67M | +21% | Dec 31, 2020 | 10-K | 2023-02-23 |
| Q4 2019 | $17.5M | +$3.17M | +22.2% | Dec 31, 2019 | 10-K | 2022-02-24 |
| Q4 2018 | $14.3M | +$3.03M | +26.9% | Dec 31, 2018 | 10-K | 2021-02-25 |
| Q4 2017 | $11.3M | +$11.3M | Dec 31, 2017 | 10-K | 2020-02-19 | |
| Q4 2016 | $0 | $0 | Dec 31, 2016 | 10-K | 2019-02-14 | |
| Q3 2016 | $0 | $0 | Sep 30, 2016 | 10-Q | 2016-11-03 | |
| Q2 2016 | $0 | $0 | Jun 30, 2016 | 10-Q | 2016-08-08 | |
| Q1 2016 | $0 | Mar 31, 2016 | 10-Q | 2016-05-09 | ||
| Q4 2015 | $0 | $0 | Dec 31, 2015 | 10-K | 2018-02-14 | |
| Q3 2015 | $0 | $0 | Sep 30, 2015 | 10-Q | 2015-11-06 | |
| Q2 2015 | $0 | $0 | Jun 30, 2015 | 10-Q | 2015-08-07 | |
| Q4 2014 | $0 | $0 | Dec 31, 2014 | 10-K | 2016-02-26 | |
| Q3 2014 | $0 | $0 | Sep 30, 2014 | 10-Q | 2014-11-07 | |
| Q2 2014 | $0 | $0 | Jun 30, 2014 | 10-Q | 2014-08-07 | |
| Q1 2014 | $0 | Mar 31, 2014 | 10-Q | 2014-05-09 | ||
| Q4 2013 | $0 | $0 | Dec 31, 2013 | 10-K | 2015-02-24 | |
| Q3 2013 | $0 | Sep 30, 2013 | 10-Q | 2013-11-07 | ||
| Q2 2013 | $0 | Jun 30, 2013 | 10-Q | 2013-09-05 | ||
| Q4 2012 | $0 | Dec 31, 2012 | 10-K | 2014-03-18 |