| Period | Value | YoY Chg | Change % | Date | Report | Filed |
|---|---|---|---|---|---|---|
| Q4 2023 | $44.3M | -$10.3M | -18.9% | Dec 31, 2023 | 20-F | 2024-03-05 |
| Q4 2022 | $54.6M | -$15.6M | -22.2% | Dec 31, 2022 | 20-F | 2024-03-05 |
| Q4 2021 | $70.2M | -$13.6M | -16.2% | Dec 31, 2021 | 20-F | 2023-03-03 |
| Q4 2020 | $83.8M | +$69.1M | +469% | Dec 31, 2020 | 20-F | 2022-03-09 |
| Q4 2019 | $14.7M | -$5K | -0.03% | Dec 31, 2019 | 20-F/A | 2021-03-16 |
| Q2 2019 | $17.2M | -$1.19M | -6.45% | Jun 30, 2019 | 6-K/A | 2019-08-26 |
| Q4 2018 | $14.7M | +$540K | +3.81% | Dec 31, 2018 | 20-F | 2020-03-23 |
| Q2 2018 | $18.4M | Jun 30, 2018 | 6-K/A | 2018-09-17 | ||
| Q4 2017 | $14.2M | -$731K | -4.9% | Dec 31, 2017 | 20-F | 2019-03-26 |
| Q4 2016 | $14.9M | Dec 31, 2016 | 20-F | 2018-03-05 |