| Period | Value | YoY Chg | Change % | Date | Report | Filed |
|---|---|---|---|---|---|---|
| Q4 2022 | -$86.6M | -$7.77M | -9.86% | Dec 31, 2022 | 10-Q | 2023-02-21 |
| Q3 2022 | -$82.4M | -$6.4M | -8.43% | Sep 30, 2022 | 10-Q | 2023-01-26 |
| Q2 2022 | -$85.4M | -$11.1M | -14.9% | Jun 30, 2022 | 10-Q | 2023-02-21 |
| Q1 2022 | -$83.7M | -$9.39M | -12.6% | Mar 31, 2022 | 10-Q | 2022-05-23 |
| Q4 2021 | -$78.8M | -$10M | -14.5% | Dec 31, 2021 | 10-Q | 2022-02-22 |
| Q3 2021 | -$76M | -$8.8M | -13.1% | Sep 30, 2021 | 10-Q | 2021-11-22 |
| Q2 2021 | -$74.4M | -$5.93M | -8.66% | Jun 30, 2021 | 10-K | 2023-01-13 |
| Q1 2021 | -$74.4M | -$15.3M | -26% | Mar 31, 2021 | 10-Q | 2021-05-19 |
| Q4 2020 | -$68.8M | -$11.9M | -21% | Dec 31, 2020 | 10-Q | 2021-02-22 |
| Q3 2020 | -$67.2M | -$18M | -36.7% | Sep 30, 2020 | 10-Q | 2020-11-23 |
| Q2 2020 | -$68.4M | -$21.3M | -45.3% | Jun 30, 2020 | 10-K | 2021-10-13 |
| Q1 2020 | -$59M | -$14.1M | -31.4% | Mar 31, 2020 | 10-Q | 2020-05-20 |
| Q4 2019 | -$56.9M | -$13.4M | -30.7% | Dec 31, 2019 | 10-Q | 2020-02-19 |
| Q3 2019 | -$49.1M | -$11.6M | -31.1% | Sep 30, 2019 | 10-Q | 2019-11-19 |
| Q2 2019 | -$47.1M | -$12.2M | -35.1% | Jun 30, 2019 | 10-K | 2020-10-16 |
| Q1 2019 | -$44.9M | -$12.1M | -36.8% | Mar 31, 2019 | 10-Q | 2019-05-20 |
| Q4 2018 | -$43.5M | -$7.87M | -22.1% | Dec 31, 2018 | 10-Q | 2019-02-21 |
| Q3 2018 | -$37.5M | -$7.82M | -26.4% | Sep 30, 2018 | 10-Q | 2018-12-26 |
| Q2 2018 | -$34.9M | -$6.3M | -22% | Jun 30, 2018 | 10-K | 2019-10-15 |
| Q1 2018 | -$32.8M | -$2.13M | -6.95% | Mar 31, 2018 | 10-Q/A | 2018-08-16 |
| Q4 2017 | -$35.6M | -$7.61M | -27.2% | Dec 31, 2017 | 10-Q | 2018-07-17 |
| Q3 2017 | -$29.6M | -$3.28M | -12.4% | Sep 30, 2017 | 10-Q | 2018-06-07 |
| Q2 2017 | -$28.6M | -$4.71M | -19.8% | Jun 30, 2017 | 10-K/A | 2018-12-21 |
| Q1 2017 | -$30.7M | -$8.72M | -39.7% | Mar 31, 2017 | 10-Q/A | 2017-05-23 |
| Q4 2016 | -$28M | -$6.06M | -27.6% | Dec 31, 2016 | 10-Q | 2017-02-28 |
| Q3 2016 | -$26.4M | -$4.23M | -19.1% | Sep 30, 2016 | 10-Q | 2016-11-23 |
| Q2 2016 | -$23.8M | -$2.46M | -11.5% | Jun 30, 2016 | 10-K | 2018-03-19 |
| Q1 2016 | -$22M | -$993K | -4.73% | Mar 31, 2016 | 10-Q | 2016-08-29 |
| Q4 2015 | -$22M | -$1.88M | -9.37% | Dec 31, 2015 | 10-Q | 2016-08-29 |
| Q3 2015 | -$22.1M | -$5.12M | -30.1% | Sep 30, 2015 | 10-Q | 2016-08-24 |
| Q2 2015 | -$21.4M | -$10.2M | -91.7% | Jun 30, 2015 | 10-K/A | 2016-11-15 |
| Q1 2015 | -$21M | -$9.94M | -89.9% | Mar 31, 2015 | 10-Q | 2016-03-07 |
| Q4 2014 | -$20.1M | -$9.22M | -84.9% | Dec 31, 2014 | 10-Q | 2016-02-04 |
| Q3 2014 | -$17M | -$6.15M | -56.5% | Sep 30, 2014 | 10-Q | 2015-11-27 |
| Q2 2014 | -$11.2M | -$756K | -7.26% | Jun 30, 2014 | 10-K/A | 2016-08-09 |
| Q1 2014 | -$11.1M | -$1.35M | -13.9% | Mar 31, 2014 | 10-Q | 2015-05-20 |
| Q4 2013 | -$10.9M | -$1.55M | -16.6% | Dec 31, 2013 | 10-Q | 2015-05-20 |
| Q3 2013 | -$10.9M | Sep 30, 2013 | 10-Q | 2015-05-20 | ||
| Q2 2013 | -$10.4M | -$2.26M | -27.8% | Jun 30, 2013 | 10-K | 2015-05-20 |
| Q1 2013 | -$9.7M | -$2.67M | -37.9% | Mar 31, 2013 | 10-Q | 2013-05-15 |
| Q4 2012 | -$9.31M | -$2.9M | -45.2% | Dec 31, 2012 | 10-Q | 2013-02-14 |
| Q2 2012 | -$8.14M | -$4.32M | -113% | Jun 30, 2012 | 10-K | 2014-11-06 |
| Q1 2012 | -$7.04M | Mar 31, 2012 | 10-Q | 2012-05-15 | ||
| Q4 2011 | -$6.41M | Dec 31, 2011 | 10-Q | 2012-02-14 | ||
| Q3 2011 | -$4.61M | Sep 30, 2011 | 10-Q/A | 2011-12-01 | ||
| Q2 2011 | -$3.82M | Jun 30, 2011 | 10-K/A | 2012-11-09 |