| Period | Value | YoY Chg | Change % | Date | Report | Filed |
|---|---|---|---|---|---|---|
| Q4 2023 | $78.6M | -$4.48M | -5.39% | Dec 31, 2023 | 20-F | 2024-03-22 |
| Q4 2022 | $83.1M | +$22.2M | +36.5% | Dec 31, 2022 | 20-F | 2024-03-22 |
| Q4 2021 | $60.9M | +$4.79M | +8.54% | Dec 31, 2021 | 20-F | 2023-03-31 |
| Q3 2021 | $57.6M | +$4.5M | +8.47% | Sep 30, 2021 | 6-K | 2021-11-10 |
| Q2 2021 | $56.1M | +$3.47M | +6.59% | Jun 30, 2021 | 6-K | 2021-08-13 |
| Q4 2020 | $56.1M | +$6.88M | +14% | Dec 31, 2020 | 20-F | 2022-04-04 |
| Q3 2020 | $53.1M | +$6.91M | +15% | Sep 30, 2020 | 6-K | 2020-11-24 |
| Q2 2020 | $52.6M | +$6.46M | +14% | Jun 30, 2020 | 6-K | 2020-08-26 |
| Q4 2019 | $49.2M | +$5.39M | +12.3% | Dec 31, 2019 | 20-F | 2021-04-01 |
| Q3 2019 | $46.2M | +$4.25M | +10.1% | Sep 30, 2019 | 6-K | 2019-11-26 |
| Q2 2019 | $46.2M | +$3.8M | +8.97% | Jun 30, 2019 | 6-K | 2019-08-13 |
| Q4 2018 | $43.8M | -$14.4M | -24.7% | Dec 31, 2018 | 20-F | 2020-04-09 |
| Q3 2018 | $41.9M | -$16.5M | -28.2% | Sep 30, 2018 | 6-K | 2018-11-28 |
| Q2 2018 | $42.4M | -$17M | -28.6% | Jun 30, 2018 | 6-K | 2018-08-17 |
| Q4 2017 | $58.2M | -$2.4M | -3.96% | Dec 31, 2017 | 20-F | 2019-04-05 |
| Q3 2017 | $58.4M | -$3.73M | -6.01% | Sep 30, 2017 | 6-K | 2017-11-24 |
| Q2 2017 | $59.3M | -$5.25M | -8.13% | Jun 30, 2017 | 6-K | 2017-08-18 |
| Q4 2016 | $60.6M | -$10.6M | -14.9% | Dec 31, 2016 | 20-F | 2018-04-16 |
| Q3 2016 | $62.2M | Sep 30, 2016 | 6-K/A | 2016-12-07 | ||
| Q2 2016 | $64.6M | -$9.25M | -12.5% | Jun 30, 2016 | 6-K | 2016-08-19 |
| Q4 2015 | $71.2M | -$3.58M | -4.79% | Dec 31, 2015 | 20-F | 2017-04-26 |
| Q2 2015 | $73.8M | +$2.86M | +4.03% | Jun 30, 2015 | 6-K/A | 2015-09-30 |
| Q4 2014 | $74.7M | +$5.25M | +7.56% | Dec 31, 2014 | 20-F | 2016-04-27 |
| Q2 2014 | $71M | -$2.48M | -3.38% | Jun 30, 2014 | 6-K/A | 2014-10-16 |
| Q4 2013 | $69.5M | -$4.09M | -5.56% | Dec 31, 2013 | 20-F | 2015-04-23 |
| Q2 2013 | $73.5M | +$6.13M | +9.11% | Jun 30, 2013 | 6-K/A | 2013-09-27 |
| Q4 2012 | $73.6M | -$2.53M | -3.32% | Dec 31, 2012 | 20-F | 2014-04-29 |
| Q2 2012 | $67.3M | +$379K | +0.57% | Jun 30, 2012 | 6-K/A | 2012-09-27 |
| Q4 2011 | $76.1M | +$11.3M | +17.5% | Dec 31, 2011 | 20-F | 2013-04-16 |
| Q2 2011 | $66.9M | Jun 30, 2011 | 6-K | 2011-08-31 | ||
| Q4 2010 | $64.8M | Dec 31, 2010 | 20-F | 2012-04-11 |