| Period | Value | YoY Chg | Change % | Date | Report | Filed |
|---|---|---|---|---|---|---|
| Q4 2023 | -$30.1M | -$9.39M | -45.3% | Dec 31, 2023 | 10-K | 2024-04-01 |
| Q3 2023 | -$27.9M | -$9.02M | -47.9% | Sep 30, 2023 | 10-Q | 2023-11-14 |
| Q2 2023 | -$25.6M | -$8.69M | -51.5% | Jun 30, 2023 | 10-Q | 2023-08-08 |
| Q1 2023 | -$23M | -$7.42M | -47.6% | Mar 31, 2023 | 10-Q | 2023-05-15 |
| Q4 2022 | -$20.7M | -$6.49M | -45.5% | Dec 31, 2022 | 10-K | 2024-04-01 |
| Q3 2022 | -$18.8M | -$5.14M | -37.5% | Sep 30, 2022 | 10-Q | 2022-11-14 |
| Q2 2022 | -$16.9M | -$3.53M | -26.4% | Jun 30, 2022 | 10-Q | 2022-08-15 |
| Q1 2022 | -$15.6M | -$2.75M | -21.4% | Mar 31, 2022 | 10-Q | 2022-05-16 |
| Q4 2021 | -$14.2M | -$2.96M | -26.2% | Dec 31, 2021 | 10-K | 2023-03-30 |
| Q3 2021 | -$13.7M | -$2.49M | -22.2% | Sep 30, 2021 | 10-Q | 2021-11-16 |
| Q2 2021 | -$13.4M | -$2.61M | -24.3% | Jun 30, 2021 | 10-Q | 2021-08-23 |
| Q1 2021 | -$12.8M | -$2.29M | -21.8% | Mar 31, 2021 | 10-Q | 2021-05-17 |
| Q4 2020 | -$11.3M | -$1.84M | -19.5% | Dec 31, 2020 | 10-K | 2022-03-31 |
| Q3 2020 | -$11.2M | -$2.4M | -27.2% | Sep 30, 2020 | 10-Q | 2020-11-16 |
| Q2 2020 | -$10.7M | -$2.29M | -27.1% | Jun 30, 2020 | 10-Q | 2020-08-07 |
| Q1 2020 | -$10.5M | -$3.03M | -40.4% | Mar 31, 2020 | 10-Q/A | 2020-07-06 |
| Q4 2019 | -$9.45M | -$3.78M | -66.5% | Dec 31, 2019 | 10-K | 2021-04-19 |
| Q3 2019 | -$8.81M | -$4.31M | -96% | Sep 30, 2019 | 10-Q | 2020-02-03 |
| Q2 2019 | -$8.46M | -$4.06M | -92.1% | Jun 30, 2019 | 10-Q | 2020-02-03 |
| Q1 2019 | -$7.51M | -$4.14M | -123% | Mar 31, 2019 | 10-Q | 2020-02-03 |
| Q4 2018 | -$5.67M | +$25.4M | +81.7% | Dec 31, 2018 | 10-K | 2020-03-30 |
| Q3 2018 | -$4.5M | +$25.6M | +85.1% | Sep 30, 2018 | 10-Q | 2019-12-19 |
| Q2 2018 | -$4.4M | +$24.9M | +85% | Jun 30, 2018 | 10-Q | 2019-12-19 |
| Q1 2018 | -$3.37M | +$23.6M | +87.5% | Mar 31, 2018 | 10-Q | 2019-12-19 |
| Q4 2017 | -$31.1M | -$5.13M | -19.8% | Dec 31, 2017 | 10-Q | 2019-12-19 |
| Q3 2017 | -$30.1M | -$5.34M | -21.5% | Sep 30, 2017 | 10-Q | 2019-12-19 |
| Q2 2017 | -$29.3M | -$5.57M | -23.5% | Jun 30, 2017 | 10-Q | 2019-12-19 |
| Q1 2017 | -$26.9M | -$4.09M | -17.9% | Mar 31, 2017 | 10-Q | 2018-08-03 |
| Q4 2016 | -$26M | -$4.05M | -18.5% | Dec 31, 2016 | 10-K | 2018-10-26 |
| Q3 2016 | -$24.8M | -$3.6M | -17% | Sep 30, 2016 | 10-Q | 2018-04-24 |
| Q2 2016 | -$23.7M | -$4.01M | -20.4% | Jun 30, 2016 | 10-Q | 2018-04-24 |
| Q1 2016 | -$22.8M | -$3.67M | -19.2% | Mar 31, 2016 | 10-Q | 2016-05-23 |
| Q4 2015 | -$21.9M | -$3.35M | -18.1% | Dec 31, 2015 | 10-K | 2018-06-29 |
| Q3 2015 | -$21.2M | Sep 30, 2015 | 10-Q | 2015-11-16 | ||
| Q2 2015 | -$19.7M | Jun 30, 2015 | 10-Q | 2015-08-14 | ||
| Q1 2015 | -$19.2M | Mar 31, 2015 | 10-Q | 2015-05-15 | ||
| Q4 2014 | -$18.5M | -$3.37M | -22.2% | Dec 31, 2014 | 10-K | 2016-04-14 |
| Q4 2013 | -$15.2M | Dec 31, 2013 | 10-K | 2015-03-31 |