| Period | Value | YoY Chg | Change % | Date | Report | Filed |
|---|---|---|---|---|---|---|
| Q4 2023 | $64M | +$446K | +0.7% | Dec 31, 2023 | 20-F | 2024-03-15 |
| Q4 2022 | $63.5M | -$9M | -12.4% | Dec 31, 2022 | 20-F | 2024-03-15 |
| Q4 2021 | $72.5M | -$36.6M | -33.5% | Dec 31, 2021 | 20-F | 2023-03-31 |
| Q3 2021 | $159M | -$37.3M | -19% | Sep 30, 2021 | 6-K | 2021-11-10 |
| Q2 2021 | $169M | -$60.5M | -26.4% | Jun 30, 2021 | 6-K | 2021-08-13 |
| Q4 2020 | $109M | -$107M | -49.6% | Dec 31, 2020 | 20-F | 2022-04-06 |
| Q3 2020 | $197M | +$57.5M | +41.3% | Sep 30, 2020 | 6-K | 2020-11-24 |
| Q2 2020 | $229M | +$87.8M | +62% | Jun 30, 2020 | 6-K | 2020-08-27 |
| Q4 2019 | $216M | +$27M | +14.2% | Dec 31, 2019 | 20-F | 2021-04-01 |
| Q3 2019 | $139M | +$9.06M | +6.96% | Sep 30, 2019 | 6-K | 2019-11-26 |
| Q2 2019 | $142M | +$9.07M | +6.85% | Jun 30, 2019 | 6-K | 2019-08-12 |
| Q4 2018 | $189M | +$53M | +38.9% | Dec 31, 2018 | 20-F | 2020-04-09 |
| Q3 2018 | $130M | -$1.06M | -0.81% | Sep 30, 2018 | 6-K | 2018-11-28 |
| Q2 2018 | $133M | -$196M | -59.7% | Jun 30, 2018 | 6-K/A | 2018-09-17 |
| Q4 2017 | $136M | -$197M | -59.1% | Dec 31, 2017 | 20-F | 2019-04-01 |
| Q3 2017 | $131M | Sep 30, 2017 | 6-K | 2017-11-22 | ||
| Q2 2017 | $329M | -$30.5M | -8.49% | Jun 30, 2017 | 6-K/A | 2017-09-11 |
| Q4 2016 | $333M | -$19.1M | -5.43% | Dec 31, 2016 | 20-F | 2018-04-30 |
| Q2 2016 | $359M | -$45M | -11.1% | Jun 30, 2016 | 6-K/A | 2016-09-21 |
| Q4 2015 | $352M | -$30.7M | -8.02% | Dec 31, 2015 | 20-F/A | 2017-11-28 |
| Q2 2015 | $404M | +$36.6M | +9.96% | Jun 30, 2015 | 6-K/A | 2015-09-29 |
| Q4 2014 | $383M | +$111M | +41% | Dec 31, 2014 | 20-F | 2016-04-26 |
| Q2 2014 | $368M | +$158M | +75.5% | Jun 30, 2014 | 6-K/A | 2014-12-05 |
| Q4 2013 | $272M | +$51.5M | +23.4% | Dec 31, 2013 | 20-F | 2015-04-29 |
| Q2 2013 | $209M | Jun 30, 2013 | 6-K/A | 2013-12-09 | ||
| Q4 2012 | $220M | -$907K | -0.41% | Dec 31, 2012 | 20-F | 2014-04-28 |
| Q4 2011 | $221M | +$26.3M | +13.5% | Dec 31, 2011 | 20-F | 2013-04-29 |
| Q4 2010 | $195M | Dec 31, 2010 | 20-F | 2012-04-25 | ||
| Q1 2010 | $2M | Feb 28, 2010 | 20-F | 2013-04-29 |