| Period | Value | YoY Chg | Change % | Date | Report | Filed |
|---|---|---|---|---|---|---|
| Q4 2024 | $0 | $0 | Dec 31, 2024 | 20-F | 2025-03-05 | |
| Q4 2023 | $0 | $0 | Dec 31, 2023 | 20-F | 2025-03-05 | |
| Q4 2022 | $0 | -$45.8M | -100% | Dec 31, 2022 | 20-F | 2025-03-05 |
| Q4 2021 | $45.8M | -$1.67M | -3.52% | Dec 31, 2021 | 20-F | 2025-03-05 |
| Q4 2020 | $47.5M | +$12.3M | +34.8% | Dec 31, 2020 | 20-F | 2023-03-15 |
| Q4 2019 | $35.2M | -$65K | -0.18% | Dec 31, 2019 | 20-F | 2022-03-15 |
| Q4 2018 | $35.3M | -$1.75M | -4.72% | Dec 31, 2018 | 20-F | 2021-03-22 |
| Q4 2017 | $37M | +$1.37M | +3.85% | Dec 31, 2017 | 20-F | 2020-03-23 |
| Q4 2016 | $35.7M | -$165K | -0.46% | Dec 31, 2016 | 20-F | 2019-03-14 |
| Q4 2015 | $35.8M | -$2.14M | -5.64% | Dec 31, 2015 | 20-F | 2018-03-12 |
| Q4 2014 | $38M | -$1.74M | -4.39% | Dec 31, 2014 | 20-F | 2017-03-13 |
| Q4 2013 | $39.7M | -$3.25M | -7.57% | Dec 31, 2013 | 20-F | 2016-03-07 |
| Q4 2012 | $43M | +$513K | +1.21% | Dec 31, 2012 | 20-F | 2015-03-12 |
| Q4 2011 | $42.4M | +$19.4M | +84.4% | Dec 31, 2011 | 20-F | 2014-05-13 |
| Q4 2010 | $23M | Dec 31, 2010 | 20-F/A | 2013-04-01 |