| Period | Value | YoY Chg | Change % | Date | Report | Filed |
|---|---|---|---|---|---|---|
| Q4 2023 | $38M | -$19M | -33.3% | Dec 31, 2023 | 10-K | 2024-02-28 |
| Q4 2022 | $57M | +$20M | +54.1% | Dec 31, 2022 | 10-K | 2024-02-28 |
| Q4 2021 | $37M | +$14M | +60.9% | Dec 31, 2021 | 10-K | 2024-02-28 |
| Q4 2020 | $23M | -$9M | -28.1% | Dec 31, 2020 | 10-K | 2024-02-28 |
| Q3 2020 | $20M | -$181M | -90.1% | Sep 30, 2020 | 10-Q | 2020-11-06 |
| Q2 2020 | $25M | -$177M | -87.6% | Jun 30, 2020 | 10-Q | 2020-08-03 |
| Q1 2020 | $27M | -$204M | -88.3% | Mar 31, 2020 | 10-Q | 2020-05-07 |
| Q4 2019 | $32M | -$179M | -84.8% | Dec 31, 2019 | 10-K | 2023-02-23 |
| Q3 2019 | $201M | +$180M | +857% | Sep 30, 2019 | 10-Q | 2019-11-04 |
| Q2 2019 | $202M | +$181M | +862% | Jun 30, 2019 | 10-Q | 2019-08-05 |
| Q1 2019 | $231M | +$212M | +1116% | Mar 31, 2019 | 10-Q | 2019-05-09 |
| Q4 2018 | $211M | +$192M | +1011% | Dec 31, 2018 | 10-K | 2022-02-24 |
| Q3 2018 | $21M | +$2M | +10.5% | Sep 30, 2018 | 10-Q | 2018-11-05 |
| Q2 2018 | $21M | +$2M | +10.5% | Jun 30, 2018 | 10-Q | 2018-08-06 |
| Q1 2018 | $19M | +$9M | +90% | Mar 31, 2018 | 10-Q | 2018-04-30 |
| Q4 2017 | $19M | +$12M | +171% | Dec 31, 2017 | 10-K | 2021-02-26 |
| Q3 2017 | $19M | +$13M | +217% | Sep 30, 2017 | 10-Q | 2017-10-30 |
| Q2 2017 | $19M | +$6M | +46.2% | Jun 30, 2017 | 10-Q | 2017-08-03 |
| Q1 2017 | $10M | -$1M | -9.09% | Mar 31, 2017 | 10-Q | 2017-05-01 |
| Q4 2016 | $7M | -$5M | -41.7% | Dec 31, 2016 | 10-K | 2020-02-28 |
| Q3 2016 | $6M | -$6M | -50% | Sep 30, 2016 | 10-Q | 2016-10-31 |
| Q2 2016 | $13M | +$1M | +8.33% | Jun 30, 2016 | 10-Q | 2016-08-03 |
| Q1 2016 | $11M | -$4M | -26.7% | Mar 31, 2016 | 10-Q | 2016-05-02 |
| Q4 2015 | $12M | $0 | 0% | Dec 31, 2015 | 10-K | 2019-02-28 |
| Q3 2015 | $12M | -$4M | -25% | Sep 30, 2015 | 10-Q | 2015-11-02 |
| Q2 2015 | $12M | -$8M | -40% | Jun 30, 2015 | 10-Q | 2015-08-03 |
| Q1 2015 | $15M | -$1M | -6.25% | Mar 31, 2015 | 10-Q | 2015-05-04 |
| Q4 2014 | $12M | -$1M | -7.69% | Dec 31, 2014 | 10-K | 2018-02-28 |
| Q3 2014 | $16M | -$9M | -36% | Sep 30, 2014 | 10-Q | 2014-11-03 |
| Q2 2014 | $20M | -$2M | -9.09% | Jun 30, 2014 | 10-Q | 2014-08-04 |
| Q1 2014 | $16M | -$25M | -61% | Mar 31, 2014 | 10-Q | 2014-05-05 |
| Q4 2013 | $13M | -$27M | -67.5% | Dec 31, 2013 | 10-K | 2017-02-24 |
| Q3 2013 | $25M | -$3M | -10.7% | Sep 30, 2013 | 10-Q | 2013-11-07 |
| Q2 2013 | $22M | -$16M | -42.1% | Jun 30, 2013 | 10-Q | 2013-08-08 |
| Q1 2013 | $41M | +$19M | +86.4% | Mar 31, 2013 | 10-Q | 2013-05-09 |
| Q4 2012 | $40M | +$20M | +100% | Dec 31, 2012 | 10-K | 2016-02-26 |
| Q3 2012 | $28M | Sep 30, 2012 | 10-Q | 2012-11-09 | ||
| Q2 2012 | $38M | +$37M | +3700% | Jun 30, 2012 | 10-Q | 2012-08-08 |
| Q1 2012 | $22M | Mar 31, 2012 | 10-Q | 2012-05-09 | ||
| Q4 2011 | $20M | +$6M | +42.9% | Dec 31, 2011 | 10-K | 2015-02-27 |
| Q2 2011 | $1M | Jun 30, 2011 | 10-Q | 2011-08-09 | ||
| Q4 2010 | $14M | Dec 31, 2010 | 10-K | 2014-02-28 |