| Period | Value | YoY Chg | Change % | Date | Report | Filed |
|---|---|---|---|---|---|---|
| Q3 2023 | -$685M | -$24.7M | -3.74% | Sep 30, 2023 | 10-Q | 2023-11-20 |
| Q2 2023 | -$683M | -$36.1M | -5.59% | Jun 30, 2023 | 10-Q | 2023-08-18 |
| Q1 2023 | -$680M | -$36M | -5.59% | Mar 31, 2023 | 10-Q | 2023-05-22 |
| Q4 2022 | -$671M | -$33.4M | -5.24% | Dec 31, 2022 | 10-Q | 2023-11-20 |
| Q3 2022 | -$660M | Sep 30, 2022 | 10-Q | 2022-11-14 | ||
| Q2 2022 | -$647M | Jun 30, 2022 | 10-Q | 2022-08-15 | ||
| Q1 2022 | -$644M | Mar 31, 2022 | 10-Q | 2022-05-13 | ||
| Q4 2021 | -$637M | -$45.5M | -7.69% | Dec 31, 2021 | 10-K | 2023-04-14 |
| Q4 2020 | -$592M | -$6.52M | -1.11% | Dec 31, 2020 | 10-K | 2022-04-01 |
| Q4 2019 | -$585M | -$15.3M | -2.68% | Dec 31, 2019 | 20-F/A | 2021-11-23 |
| Q4 2018 | -$570M | -$12.3M | -2.2% | Dec 31, 2018 | 20-F | 2020-06-30 |
| Q4 2017 | -$558M | -$91.1M | -19.5% | Dec 31, 2017 | 20-F | 2019-04-30 |
| Q4 2016 | -$467M | -$221M | -89.7% | Dec 31, 2016 | 20-F/A | 2018-12-11 |
| Q4 2015 | -$246M | -$185M | -302% | Dec 31, 2015 | 20-F | 2017-10-27 |
| Q3 2015 | -$144M | -$77.2M | -116% | Sep 30, 2015 | 10-Q | 2015-11-13 |
| Q2 2015 | -$113M | -$54.6M | -93.8% | Jun 30, 2015 | 10-Q/A | 2015-09-03 |
| Q1 2015 | -$98.7M | -$41.8M | -73.5% | Mar 31, 2015 | 10-Q/A | 2015-09-03 |
| Q4 2014 | -$61.3M | -$5.2M | -9.27% | Dec 31, 2014 | 20-F/A | 2016-12-23 |
| Q3 2014 | -$66.5M | -$29.1M | -77.9% | Sep 30, 2014 | 10-Q/A | 2015-04-17 |
| Q2 2014 | -$58.2M | -$24.4M | -72.3% | Jun 30, 2014 | 10-Q | 2014-08-19 |
| Q1 2014 | -$56.9M | -$29.9M | -111% | Mar 31, 2014 | 10-Q | 2014-05-15 |
| Q4 2013 | -$56.1M | -$32.2M | -135% | Dec 31, 2013 | 10-K/A | 2015-09-03 |
| Q3 2013 | -$37.4M | -$28M | -299% | Sep 30, 2013 | 10-Q | 2013-11-19 |
| Q2 2013 | -$33.8M | -$31.7M | -1471% | Jun 30, 2013 | 10-Q/A | 2014-01-02 |
| Q1 2013 | -$27M | +$8.34M | +23.6% | Mar 31, 2013 | 10-Q | 2013-05-20 |
| Q4 2012 | -$23.8M | -$25.4M | -1591% | Dec 31, 2012 | 10-K | 2014-04-15 |
| Q3 2012 | -$9.36M | +$30.4M | +76.5% | Sep 30, 2012 | 10-Q | 2012-11-19 |
| Q2 2012 | -$2.15M | +$36.6M | +94.4% | Jun 30, 2012 | 10-Q | 2012-09-14 |
| Q1 2012 | -$35.3M | Mar 31, 2012 | 10-Q | 2012-05-14 | ||
| Q4 2011 | $1.6M | +$36.1M | Dec 31, 2011 | 10-K | 2013-04-19 | |
| Q3 2011 | -$39.8M | Sep 30, 2011 | 10-Q/A | 2012-04-16 | ||
| Q2 2011 | -$38.7M | Jun 30, 2011 | 10-Q/A | 2012-04-16 | ||
| Q4 2010 | -$34.5M | Dec 31, 2010 | 10-K | 2012-04-16 |