| Period | Value | YoY Chg | Change % | Date | Report | Filed |
|---|---|---|---|---|---|---|
| Q4 2022 | $0 | -$2.49M | -100% | Dec 31, 2022 | 10-K | 2023-02-17 |
| Q3 2022 | $0 | -$2.46M | -100% | Sep 30, 2022 | 10-Q | 2022-11-04 |
| Q2 2022 | $0 | -$5.9M | -100% | Jun 30, 2022 | 10-Q | 2022-08-02 |
| Q1 2022 | $0 | -$15.3M | -100% | Mar 31, 2022 | 10-Q | 2022-05-05 |
| Q4 2021 | $2.49M | -$66M | -96.4% | Dec 31, 2021 | 10-K | 2023-02-17 |
| Q3 2021 | $2.46M | -$65M | -96.4% | Sep 30, 2021 | 10-Q | 2021-11-05 |
| Q2 2021 | $5.9M | -$62.6M | -91.4% | Jun 30, 2021 | 10-Q | 2021-08-03 |
| Q1 2021 | $15.3M | -$54.3M | -78% | Mar 31, 2021 | 10-Q | 2021-05-06 |
| Q4 2020 | $68.5M | -$30.2M | -30.6% | Dec 31, 2020 | 10-K | 2022-02-22 |
| Q3 2020 | $67.5M | -$34.1M | -33.6% | Sep 30, 2020 | 10-Q | 2020-11-02 |
| Q2 2020 | $68.5M | -$36.8M | -35% | Jun 30, 2020 | 10-Q | 2020-08-03 |
| Q1 2020 | $69.6M | -$39.6M | -36.3% | Mar 31, 2020 | 10-Q | 2020-05-04 |
| Q4 2019 | $98.7M | -$22.7M | -18.7% | Dec 31, 2019 | 10-K | 2021-02-19 |
| Q3 2019 | $102M | -$16.3M | -13.8% | Sep 30, 2019 | 10-Q | 2019-11-05 |
| Q2 2019 | $105M | -$17.4M | -14.2% | Jun 30, 2019 | 10-Q | 2019-08-06 |
| Q1 2019 | $109M | -$10.5M | -8.76% | Mar 31, 2019 | 10-Q | 2019-05-03 |
| Q4 2018 | $121M | -$16.9M | -12.2% | Dec 31, 2018 | 10-K | 2020-02-20 |
| Q3 2018 | $118M | -$15.5M | -11.6% | Sep 30, 2018 | 10-Q | 2018-11-05 |
| Q2 2018 | $123M | -$8.96M | -6.8% | Jun 30, 2018 | 10-Q | 2018-08-02 |
| Q1 2018 | $120M | -$6.92M | -5.47% | Mar 31, 2018 | 10-Q | 2018-05-04 |
| Q4 2017 | $138M | -$9.76M | -6.59% | Dec 31, 2017 | 10-K | 2019-02-20 |
| Q3 2017 | $133M | -$16.6M | -11.1% | Sep 30, 2017 | 10-Q | 2017-11-02 |
| Q2 2017 | $132M | -$16.5M | -11.1% | Jun 30, 2017 | 10-Q | 2017-08-02 |
| Q1 2017 | $127M | -$19.2M | -13.2% | Mar 31, 2017 | 10-Q | 2017-05-03 |
| Q4 2016 | $148M | -$13.2M | -8.16% | Dec 31, 2016 | 10-K | 2018-02-22 |
| Q3 2016 | $150M | -$6.2M | -3.97% | Sep 30, 2016 | 10-Q | 2016-11-07 |
| Q2 2016 | $148M | -$7.22M | -4.65% | Jun 30, 2016 | 10-Q | 2016-08-08 |
| Q1 2016 | $146M | -$7.11M | -4.65% | Mar 31, 2016 | 10-Q | 2016-05-06 |
| Q4 2015 | $161M | -$17.6M | -9.83% | Dec 31, 2015 | 10-K | 2017-02-22 |
| Q3 2015 | $156M | -$18.6M | -10.6% | Sep 30, 2015 | 10-Q | 2015-11-06 |
| Q2 2015 | $155M | -$17.2M | -9.96% | Jun 30, 2015 | 10-Q | 2015-08-05 |
| Q1 2015 | $153M | -$17.2M | -10.1% | Mar 31, 2015 | 10-Q | 2015-05-05 |
| Q4 2014 | $179M | -$18.1M | -9.2% | Dec 31, 2014 | 10-K | 2016-02-22 |
| Q3 2014 | $175M | -$26.9M | -13.3% | Sep 30, 2014 | 10-Q | 2014-11-07 |
| Q2 2014 | $173M | -$26.4M | -13.3% | Jun 30, 2014 | 10-Q | 2014-08-07 |
| Q1 2014 | $170M | -$33.4M | -16.4% | Mar 31, 2014 | 10-Q | 2014-05-02 |
| Q4 2013 | $197M | -$26.9M | -12% | Dec 31, 2013 | 10-K | 2015-02-20 |
| Q3 2013 | $202M | -$21M | -9.42% | Sep 30, 2013 | 10-Q | 2013-11-08 |
| Q2 2013 | $199M | -$28.2M | -12.4% | Jun 30, 2013 | 10-Q | 2013-08-01 |
| Q1 2013 | $203M | -$22.4M | -9.92% | Mar 31, 2013 | 10-Q | 2013-05-03 |
| Q4 2012 | $224M | -$16.7M | -6.96% | Dec 31, 2012 | 8-K | 2014-09-15 |
| Q3 2012 | $223M | -$15.7M | -6.59% | Sep 30, 2012 | 10-Q | 2012-11-02 |
| Q2 2012 | $227M | -$8.37M | -3.55% | Jun 30, 2012 | 10-Q | 2012-08-03 |
| Q1 2012 | $226M | -$10.8M | -4.55% | Mar 31, 2012 | 10-Q | 2012-05-08 |
| Q4 2011 | $241M | -$10.3M | -4.12% | Dec 31, 2011 | 10-K | 2013-02-25 |
| Q3 2011 | $238M | -$9.49M | -3.83% | Sep 30, 2011 | 10-Q | 2011-11-04 |
| Q2 2011 | $236M | -$9.16M | -3.74% | Jun 30, 2011 | 10-Q | 2011-08-05 |
| Q1 2011 | $237M | -$10.3M | -4.17% | Mar 31, 2011 | 10-Q | 2011-05-05 |
| Q4 2010 | $251M | Dec 31, 2010 | 10-K | 2012-02-23 | ||
| Q3 2010 | $248M | Sep 30, 2010 | 10-Q | 2010-11-05 | ||
| Q2 2010 | $245M | Jun 30, 2010 | 10-Q | 2010-08-05 | ||
| Q1 2010 | $247M | Mar 31, 2010 | 10-Q | 2010-05-05 |