| Period | Value | YoY Chg | Change % | Date | Report | Filed |
|---|---|---|---|---|---|---|
| Q2 2023 | -$103M | -$12.7M | -14% | Jun 30, 2023 | 10-Q | 2023-08-14 |
| Q1 2023 | -$99.1M | -$11.1M | -12.6% | Mar 31, 2023 | 10-Q | 2023-05-15 |
| Q4 2022 | -$96.9M | -$12.2M | -14.4% | Dec 31, 2022 | 10-Q | 2023-08-14 |
| Q3 2022 | -$93.1M | -$11.2M | -13.6% | Sep 30, 2022 | 10-Q | 2022-11-08 |
| Q2 2022 | -$90.7M | -$12.2M | -15.5% | Jun 30, 2022 | 10-Q | 2022-08-15 |
| Q1 2022 | -$88M | -$14.7M | -20.1% | Mar 31, 2022 | 10-Q | 2022-05-16 |
| Q4 2021 | -$84.7M | -$15.5M | -22.3% | Dec 31, 2021 | 10-K | 2023-03-09 |
| Q3 2021 | -$81.9M | -$17.4M | -26.9% | Sep 30, 2021 | 10-Q | 2021-11-15 |
| Q2 2021 | -$78.5M | -$17.2M | -28.1% | Jun 30, 2021 | 10-Q | 2021-08-12 |
| Q1 2021 | -$73.3M | -$16.1M | -28.1% | Mar 31, 2021 | 10-Q | 2021-05-17 |
| Q4 2020 | -$69.3M | -$16.3M | -30.7% | Dec 31, 2020 | 10-K | 2022-03-29 |
| Q3 2020 | -$64.6M | -$15.3M | -31% | Sep 30, 2020 | 10-Q | 2020-11-16 |
| Q2 2020 | -$61.3M | -$15.4M | -33.5% | Jun 30, 2020 | 10-Q | 2020-08-13 |
| Q1 2020 | -$57.2M | -$14.3M | -33.5% | Mar 31, 2020 | 10-Q | 2020-05-14 |
| Q4 2019 | -$53M | -$13M | -32.7% | Dec 31, 2019 | 10-K | 2021-03-30 |
| Q3 2019 | -$49.3M | -$13.5M | -37.8% | Sep 30, 2019 | 10-Q | 2019-11-07 |
| Q2 2019 | -$45.9M | -$14.8M | -47.5% | Jun 30, 2019 | 10-Q | 2019-08-09 |
| Q1 2019 | -$42.9M | -$15M | -54% | Mar 31, 2019 | 10-Q | 2019-05-08 |
| Q4 2018 | -$39.9M | -$15.7M | -64.8% | Dec 31, 2018 | 10-K | 2020-03-12 |
| Q3 2018 | -$35.8M | -$14.3M | -67% | Sep 30, 2018 | 10-Q | 2018-11-14 |
| Q2 2018 | -$31.1M | -$12.6M | -67.9% | Jun 30, 2018 | 10-Q | 2018-08-14 |
| Q1 2018 | -$27.8M | -$11.2M | -67.2% | Mar 31, 2018 | 10-Q | 2018-05-15 |
| Q4 2017 | -$24.2M | -$9.83M | -68.2% | Dec 31, 2017 | 10-K | 2019-03-18 |
| Q3 2017 | -$21.4M | -$8.68M | -68.1% | Sep 30, 2017 | 10-Q | 2017-11-14 |
| Q2 2017 | -$18.5M | -$7.47M | -67.4% | Jun 30, 2017 | 10-Q | 2017-08-14 |
| Q1 2017 | -$16.6M | -$7.09M | -74.2% | Mar 31, 2017 | 10-Q | 2017-05-15 |
| Q4 2016 | -$14.4M | -$6.07M | -72.9% | Dec 31, 2016 | 10-K | 2018-04-02 |
| Q3 2016 | -$12.7M | -$5.55M | -77.2% | Sep 30, 2016 | 10-Q | 2016-11-14 |
| Q2 2016 | -$11.1M | -$4.97M | -81.5% | Jun 30, 2016 | 10-Q | 2016-08-15 |
| Q1 2016 | -$9.55M | -$4.31M | -82.4% | Mar 31, 2016 | 10-Q | 2016-05-13 |
| Q4 2015 | -$8.33M | -$3.88M | -87% | Dec 31, 2015 | 10-K | 2017-03-31 |
| Q3 2015 | -$7.18M | Sep 30, 2015 | 10-Q | 2015-11-16 | ||
| Q2 2015 | -$6.11M | Jun 30, 2015 | 10-Q | 2015-08-11 | ||
| Q1 2015 | -$5.24M | Mar 31, 2015 | 10-Q | 2015-05-15 | ||
| Q4 2014 | -$4.46M | Dec 31, 2014 | 10-K | 2016-03-30 |