| Period | Value | YoY Chg | Change % | Date | Report | Filed |
|---|---|---|---|---|---|---|
| Q4 2023 | -$16M | -$53.4K | -0.33% | Dec 31, 2023 | 10-Q | 2024-01-17 |
| Q3 2023 | -$16M | +$8.39K | +0.05% | Sep 30, 2023 | 10-Q | 2023-11-09 |
| Q2 2023 | -$16M | +$7.04K | +0.04% | Jun 30, 2023 | 10-Q | 2023-08-14 |
| Q1 2023 | -$16M | +$7.04K | +0.04% | Mar 31, 2023 | 10-Q | 2024-01-17 |
| Q4 2022 | -$16M | +$32.9K | +0.21% | Dec 31, 2022 | 10-Q | 2023-02-13 |
| Q3 2022 | -$16M | -$32.7K | -0.2% | Sep 30, 2022 | 10-Q | 2022-10-27 |
| Q2 2022 | -$16M | +$538K | +3.25% | Jun 30, 2022 | 10-Q | 2022-08-15 |
| Q1 2022 | -$16M | +$525K | +3.18% | Mar 31, 2022 | 10-Q | 2023-02-13 |
| Q4 2021 | -$16M | +$787K | +4.69% | Dec 31, 2021 | 10-Q | 2022-02-11 |
| Q3 2021 | -$16M | +$2.64M | +14.2% | Sep 30, 2021 | 10-Q | 2021-11-15 |
| Q2 2021 | -$16.5M | +$2.35M | +12.4% | Jun 30, 2021 | 10-Q | 2021-08-13 |
| Q1 2021 | -$16.5M | +$2.02M | +10.9% | Mar 31, 2021 | 10-Q | 2022-02-11 |
| Q4 2020 | -$16.8M | +$1.4M | +7.71% | Dec 31, 2020 | 10-Q | 2021-02-16 |
| Q3 2020 | -$18.6M | -$769K | -4.31% | Sep 30, 2020 | 10-Q | 2020-11-04 |
| Q2 2020 | -$18.9M | -$1.37M | -7.84% | Jun 30, 2020 | 10-Q | 2020-07-06 |
| Q1 2020 | -$18.5M | -$1.36M | -7.9% | Mar 31, 2020 | 10-K | 2021-04-28 |
| Q4 2019 | -$18.2M | -$1.32M | -7.85% | Dec 31, 2019 | 10-Q | 2020-02-12 |
| Q3 2019 | -$17.8M | -$1.32M | -7.98% | Sep 30, 2019 | 10-Q | 2019-11-13 |
| Q2 2019 | -$17.5M | -$1.32M | -8.15% | Jun 30, 2019 | 10-Q | 2019-08-14 |
| Q1 2019 | -$17.2M | -$1.31M | -8.22% | Mar 31, 2019 | 10-K | 2020-05-28 |
| Q4 2018 | -$16.9M | -$1.29M | -8.28% | Dec 31, 2018 | 10-Q | 2019-02-14 |
| Q3 2018 | -$16.5M | -$1.27M | -8.3% | Sep 30, 2018 | 10-Q | 2018-11-08 |
| Q2 2018 | -$16.2M | -$1.24M | -8.31% | Jun 30, 2018 | 10-Q | 2018-08-14 |
| Q1 2018 | -$15.9M | -$1.22M | -8.33% | Mar 31, 2018 | 10-K | 2019-06-14 |
| Q4 2017 | -$15.6M | -$1.21M | -8.43% | Dec 31, 2017 | 10-Q | 2018-01-17 |
| Q3 2017 | -$15.3M | -$1.24M | -8.83% | Sep 30, 2017 | 10-Q | 2017-11-20 |
| Q2 2017 | -$15M | -$1.24M | -9.07% | Jun 30, 2017 | 10-Q | 2017-08-21 |
| Q1 2017 | -$14.7M | -$1.22M | -9.07% | Mar 31, 2017 | 10-K | 2018-06-14 |
| Q4 2016 | -$14.4M | -$1.21M | -9.17% | Dec 31, 2016 | 10-Q | 2017-02-13 |
| Q3 2016 | -$14M | -$1.16M | -8.99% | Sep 30, 2016 | 10-Q | 2016-11-21 |
| Q2 2016 | -$13.7M | -$1.13M | -9.01% | Jun 30, 2016 | 10-Q | 2016-08-15 |
| Q1 2016 | -$13.4M | -$1.14M | -9.24% | Mar 31, 2016 | 10-K | 2017-07-14 |
| Q4 2015 | -$13.1M | Dec 31, 2015 | 10-Q | 2016-02-16 | ||
| Q3 2015 | -$12.9M | Sep 30, 2015 | 10-Q | 2015-11-16 | ||
| Q2 2015 | -$12.6M | Jun 30, 2015 | 10-Q | 2015-08-13 | ||
| Q1 2015 | -$12.3M | -$1.07M | -9.57% | Mar 31, 2015 | 10-K | 2016-07-14 |
| Q1 2014 | -$11.2M | Mar 31, 2014 | 10-K | 2015-08-13 |