| Period | Value | YoY Chg | Change % | Date | Report | Filed |
|---|---|---|---|---|---|---|
| Q3 2023 | -$43.3M | -$6.15M | -16.6% | Sep 30, 2023 | 10-Q | 2023-11-15 |
| Q2 2023 | -$42M | -$6M | -16.6% | Jun 30, 2023 | 10-Q | 2023-08-11 |
| Q1 2023 | -$40.5M | -$5.18M | -14.7% | Mar 31, 2023 | 10-Q | 2023-05-12 |
| Q4 2022 | -$39.5M | -$5.54M | -16.3% | Dec 31, 2022 | 10-Q | 2023-11-15 |
| Q3 2022 | -$37.1M | -$7.05M | -23.5% | Sep 30, 2022 | 10-Q | 2022-11-14 |
| Q2 2022 | -$36M | -$7.47M | -26.2% | Jun 30, 2022 | 10-Q | 2022-08-12 |
| Q1 2022 | -$35.3M | -$7.49M | -26.9% | Mar 31, 2022 | 10-Q | 2022-05-12 |
| Q4 2021 | -$33.9M | -$7.26M | -27.2% | Dec 31, 2021 | 10-K | 2023-04-17 |
| Q3 2021 | -$30M | -$5.84M | -24.1% | Sep 30, 2021 | 10-Q | 2021-11-15 |
| Q2 2021 | -$28.5M | -$5.92M | -26.2% | Jun 30, 2021 | 10-Q | 2021-08-16 |
| Q1 2021 | -$27.8M | -$6.42M | -30% | Mar 31, 2021 | 10-Q | 2021-05-24 |
| Q4 2020 | -$26.7M | -$7.59M | -39.8% | Dec 31, 2020 | 10-K | 2022-04-12 |
| Q3 2020 | -$24.2M | -$9.53M | -64.9% | Sep 30, 2020 | 10-Q | 2020-11-19 |
| Q2 2020 | -$22.6M | -$11.5M | -104% | Jun 30, 2020 | 10-Q | 2020-08-18 |
| Q1 2020 | -$21.4M | -$11.6M | -119% | Mar 31, 2020 | 10-Q | 2020-06-30 |
| Q4 2019 | -$19.1M | -$11.1M | -141% | Dec 31, 2019 | 10-K | 2021-04-20 |
| Q3 2019 | -$14.7M | -$8.91M | -155% | Sep 30, 2019 | 10-Q | 2019-11-14 |
| Q2 2019 | -$11.1M | -$6.31M | -132% | Jun 30, 2019 | 10-Q | 2019-08-14 |
| Q1 2019 | -$9.75M | -$5.31M | -119% | Mar 31, 2019 | 10-Q | 2019-05-16 |
| Q4 2018 | -$7.93M | -$3.84M | -93.8% | Dec 31, 2018 | 10-K | 2020-05-15 |
| Q3 2018 | -$5.77M | -$3.2M | -124% | Sep 30, 2018 | 10-Q | 2018-11-14 |
| Q2 2018 | -$4.77M | -$4.64M | -3460% | Jun 30, 2018 | 10-Q | 2018-08-20 |
| Q1 2018 | -$4.44M | -$4.32M | -3601% | Mar 31, 2018 | 10-Q | 2018-05-22 |
| Q4 2017 | -$4.09M | -$2.45M | -150% | Dec 31, 2017 | 10-K | 2019-04-17 |
| Q3 2017 | -$2.57M | -$2.47M | -2427% | Sep 30, 2017 | 10-Q | 2017-12-11 |
| Q2 2017 | -$134K | -$50.1K | -59.8% | Jul 31, 2017 | 10-Q | 2017-09-22 |
| Q1 2017 | -$120K | -$44.1K | -58.1% | Apr 30, 2017 | 10-Q | 2017-06-09 |
| Q4 2016 | -$1.64M | -$1.57M | -2507% | Dec 31, 2016 | 10-K | 2018-04-23 |
| Q3 2016 | -$102K | Oct 31, 2016 | 10-Q | 2016-12-06 | ||
| Q2 2016 | -$83.9K | Jul 31, 2016 | 10-Q | 2016-09-09 | ||
| Q1 2016 | -$76K | Apr 30, 2016 | 10-Q | 2016-06-16 | ||
| Q4 2015 | -$62.8K | Jan 31, 2016 | 10-K | 2017-04-25 |