| Period | Value | YoY Chg | Change % | Date | Report | Filed |
|---|---|---|---|---|---|---|
| Q3 2023 | -$42.2M | -$1.22M | -2.97% | Sep 30, 2023 | 10-Q | 2023-11-17 |
| Q2 2023 | -$42M | -$1.28M | -3.16% | Jun 30, 2023 | 10-Q | 2023-08-14 |
| Q1 2023 | -$41.6M | -$1.23M | -3.04% | Mar 31, 2023 | 10-Q | 2023-05-15 |
| Q4 2022 | -$41.3M | -$1.2M | -3% | Dec 31, 2022 | 10-Q | 2023-11-17 |
| Q3 2022 | -$41M | -$1.13M | -2.83% | Sep 30, 2022 | 10-Q | 2022-11-14 |
| Q2 2022 | -$40.7M | -$1.17M | -2.96% | Jun 30, 2022 | 10-Q | 2022-08-12 |
| Q1 2022 | -$40.4M | -$1.2M | -3.05% | Mar 31, 2022 | 10-Q | 2022-05-23 |
| Q4 2021 | -$40.1M | -$1.2M | -3.09% | Dec 31, 2021 | 10-K | 2023-04-17 |
| Q3 2021 | -$39.8M | -$1.2M | -3.11% | Sep 30, 2021 | 10-Q | 2021-11-15 |
| Q2 2021 | -$39.5M | -$1.13M | -2.93% | Jun 30, 2021 | 10-Q | 2021-08-16 |
| Q1 2021 | -$39.2M | -$1.12M | -2.93% | Mar 31, 2021 | 10-Q | 2021-05-24 |
| Q4 2020 | -$38.9M | -$1.11M | -2.94% | Dec 31, 2020 | 10-K | 2022-03-31 |
| Q3 2020 | -$38.6M | -$1.12M | -2.97% | Sep 30, 2020 | 10-Q | 2020-11-13 |
| Q2 2020 | -$38.4M | -$1.13M | -3.04% | Jun 30, 2020 | 10-Q | 2020-08-14 |
| Q1 2020 | -$38.1M | -$1.19M | -3.22% | Mar 31, 2020 | 10-Q | 2020-06-29 |
| Q4 2019 | -$37.8M | -$1.21M | -3.3% | Dec 31, 2019 | 10-K | 2021-03-31 |
| Q3 2019 | -$37.5M | -$1.17M | -3.23% | Sep 30, 2019 | 10-Q | 2019-11-14 |
| Q2 2019 | -$37.3M | -$1.08M | -2.99% | Jun 30, 2019 | 10-Q | 2019-08-14 |
| Q1 2019 | -$36.9M | -$1.02M | -2.83% | Mar 31, 2019 | 10-Q | 2019-05-15 |
| Q4 2018 | -$36.6M | -$932K | -2.62% | Dec 31, 2018 | 10-K | 2020-05-14 |
| Q3 2018 | -$36.4M | -$940K | -2.65% | Sep 30, 2018 | 10-Q | 2018-11-14 |
| Q2 2018 | -$36.2M | -$976K | -2.77% | Jun 30, 2018 | 10-Q | 2018-08-16 |
| Q1 2018 | -$35.9M | -$968K | -2.77% | Mar 31, 2018 | 10-Q | 2018-05-25 |
| Q4 2017 | -$35.7M | -$937K | -2.7% | Dec 31, 2017 | 10-K | 2019-03-29 |
| Q3 2017 | -$35.4M | -$1.15M | -3.34% | Sep 30, 2017 | 10-Q | 2017-11-20 |
| Q2 2017 | -$35.2M | -$2.25M | -6.82% | Jun 30, 2017 | 10-Q | 2017-08-21 |
| Q1 2017 | -$34.9M | -$2.27M | -6.94% | Mar 31, 2017 | 10-Q | 2017-05-15 |
| Q4 2016 | -$34.7M | -$2.37M | -7.31% | Dec 31, 2016 | 10-K | 2018-04-17 |
| Q3 2016 | -$34.3M | -$2.19M | -6.84% | Sep 30, 2016 | 10-Q | 2016-11-21 |
| Q2 2016 | -$33M | -$1.18M | -3.7% | Jun 30, 2016 | 10-Q | 2016-08-16 |
| Q1 2016 | -$32.7M | -$1.2M | -3.82% | Mar 31, 2016 | 10-Q | 2016-05-19 |
| Q4 2015 | -$32.4M | -$1.26M | -4.04% | Dec 31, 2015 | 10-K | 2017-04-17 |
| Q3 2015 | -$32.1M | -$1.37M | -4.47% | Sep 30, 2015 | 10-Q | 2015-11-16 |
| Q2 2015 | -$31.8M | -$1.38M | -4.54% | Jun 30, 2015 | 10-Q | 2015-08-18 |
| Q1 2015 | -$31.5M | -$1.39M | -4.62% | Mar 31, 2015 | 10-Q | 2015-05-20 |
| Q4 2014 | -$31.1M | -$1.29M | -4.33% | Dec 31, 2014 | 10-K | 2016-05-09 |
| Q3 2014 | -$30.7M | -$1.38M | -4.7% | Sep 30, 2014 | 10-Q | 2014-11-14 |
| Q2 2014 | -$30.4M | -$1.55M | -5.37% | Jun 30, 2014 | 10-Q | 2014-08-13 |
| Q1 2014 | -$30.1M | -$1.61M | -5.65% | Mar 31, 2014 | 10-Q | 2014-05-19 |
| Q4 2013 | -$29.8M | -$1.71M | -6.07% | Dec 31, 2013 | 10-K | 2015-04-15 |
| Q3 2013 | -$29.3M | -$1.68M | -6.07% | Sep 30, 2013 | 10-Q | 2013-11-14 |
| Q2 2013 | -$28.8M | -$1.63M | -5.99% | Jun 30, 2013 | 10-Q | 2013-08-14 |
| Q1 2013 | -$28.5M | -$1.63M | -6.06% | Mar 31, 2013 | 10-Q | 2013-05-15 |
| Q4 2012 | -$28.1M | -$1.61M | -6.08% | Dec 31, 2012 | 10-K | 2014-04-15 |
| Q3 2012 | -$27.6M | -$1.35M | -5.14% | Sep 30, 2012 | 10-Q | 2012-11-14 |
| Q2 2012 | -$27.2M | -$1.87M | -7.36% | Jun 30, 2012 | 10-Q | 2012-08-14 |
| Q1 2012 | -$26.8M | Mar 31, 2012 | 10-Q | 2012-05-15 | ||
| Q4 2011 | -$26.5M | -$2.28M | -9.41% | Dec 31, 2011 | 10-K | 2013-04-16 |
| Q3 2011 | -$26.3M | Sep 30, 2011 | 10-Q | 2011-11-14 | ||
| Q2 2011 | -$25.3M | Jun 30, 2011 | 10-Q | 2011-08-12 | ||
| Q4 2010 | -$24.2M | Dec 31, 2010 | 10-K | 2012-04-16 |