| Period | Value | YoY Chg | Change % | Date | Report | Filed |
|---|---|---|---|---|---|---|
| Q4 2023 | -$131M | -$59M | -82.3% | Dec 31, 2023 | 20-F | 2024-04-24 |
| Q4 2022 | -$71.7M | -$57.4M | -402% | Dec 31, 2022 | 20-F | 2024-04-24 |
| Q4 2021 | -$14.3M | +$36.3M | +71.7% | Dec 31, 2021 | 20-F | 2023-04-27 |
| Q4 2020 | -$50.5M | -$5.93M | -13.3% | Dec 31, 2020 | 20-F | 2022-04-28 |
| Q2 2020 | -$46.3M | -$2.83M | -6.52% | Jun 30, 2020 | 6-K | 2020-09-30 |
| Q4 2019 | -$44.6M | -$4.45M | -11.1% | Dec 31, 2019 | 20-F | 2021-03-31 |
| Q2 2019 | -$43.5M | Jun 30, 2019 | 6-K | 2019-12-27 | ||
| Q4 2018 | -$40.2M | -$8.91M | -28.5% | Dec 31, 2018 | 20-F | 2020-05-15 |
| Q4 2017 | -$31.2M | -$5.14M | -19.7% | Dec 31, 2017 | 20-F | 2019-05-15 |
| Q4 2016 | -$26.1M | -$9.73M | -59.4% | Dec 31, 2016 | 20-F/A | 2019-01-04 |
| Q4 2015 | -$16.4M | -$10.2M | -166% | Dec 31, 2015 | 20-F | 2017-04-28 |
| Q4 2014 | -$6.15M | -$24.3M | -134% | Dec 31, 2014 | 20-F | 2016-07-18 |
| Q2 2014 | $19.5M | +$1.86M | +10.5% | Jun 30, 2014 | 6-K | 2014-10-17 |
| Q4 2013 | $18.1M | +$2M | +12.4% | Dec 31, 2013 | 20-F | 2015-04-30 |
| Q2 2013 | $17.7M | +$2.92M | +19.8% | Jun 30, 2013 | 6-K/A | 2014-02-21 |
| Q4 2012 | $16.1M | +$3.21M | +24.8% | Dec 31, 2012 | 20-F | 2014-04-01 |
| Q3 2012 | $15.8M | +$2.63M | +20% | Sep 30, 2012 | 10-Q | 2012-11-13 |
| Q2 2012 | $14.8M | +$2.98M | +25.3% | Jun 30, 2012 | 10-Q | 2012-08-13 |
| Q1 2012 | $13.1M | Mar 31, 2012 | 10-Q | 2012-05-09 | ||
| Q4 2011 | $12.9M | +$3.1M | +31.5% | Dec 31, 2011 | 10-K | 2013-03-18 |
| Q3 2011 | $13.2M | Sep 30, 2011 | 10-Q | 2011-11-10 | ||
| Q2 2011 | $11.8M | Jun 30, 2011 | 10-Q | 2011-08-11 | ||
| Q4 2010 | $9.84M | Dec 31, 2010 | 10-K | 2012-03-19 |