| Period | Value | YoY Chg | Change % | Date | Report | Filed |
|---|---|---|---|---|---|---|
| Q4 2023 | $5.12M | -$1.92M | -27.3% | Dec 31, 2023 | 20-F | 2024-04-22 |
| Q4 2022 | $7.03M | -$4.79M | -40.5% | Dec 31, 2022 | 20-F | 2024-04-22 |
| Q4 2021 | $11.8M | +$858K | +7.83% | Dec 31, 2021 | 20-F | 2023-05-16 |
| Q4 2020 | $11M | +$681K | +6.62% | Dec 31, 2020 | 20-F | 2022-04-29 |
| Q4 2019 | $10.3M | -$3.15M | -23.5% | Dec 31, 2019 | 20-F | 2021-04-30 |
| Q2 2019 | $11.3M | -$5.39M | -32.3% | Jun 30, 2019 | 6-K | 2019-07-30 |
| Q4 2018 | $13.4M | -$6.41M | -32.3% | Dec 31, 2018 | 20-F | 2020-04-30 |
| Q2 2018 | $16.7M | -$7.18M | -30.1% | Jun 30, 2018 | 6-K | 2018-07-31 |
| Q4 2017 | $19.8M | -$8.29M | -29.5% | Dec 31, 2017 | 20-F | 2019-04-25 |
| Q2 2017 | $23.8M | -$11M | -31.5% | Jun 30, 2017 | 6-K | 2017-08-08 |
| Q4 2016 | $28.1M | -$6.34M | -18.4% | Dec 31, 2016 | 20-F | 2018-04-30 |
| Q2 2016 | $34.8M | -$4.48M | -11.4% | Jun 30, 2016 | 6-K | 2016-08-09 |
| Q4 2015 | $34.5M | -$7.57M | -18% | Dec 31, 2015 | 20-F | 2017-04-10 |
| Q2 2015 | $39.3M | -$10.3M | -20.8% | Jun 30, 2015 | 6-K | 2015-08-06 |
| Q4 2014 | $42M | +$9.64M | +29.8% | Dec 31, 2014 | 20-F | 2016-05-11 |
| Q2 2014 | $49.6M | +$9.89M | +24.9% | Jun 30, 2014 | 6-K | 2014-08-12 |
| Q4 2013 | $32.4M | -$15.5M | -32.4% | Dec 31, 2013 | 20-F | 2015-05-14 |
| Q2 2013 | $39.7M | -$12.9M | -24.5% | Jun 30, 2013 | 6-K | 2013-08-21 |
| Q4 2012 | $47.9M | -$10.8M | -18.4% | Dec 31, 2012 | 20-F | 2014-05-14 |
| Q2 2012 | $52.6M | Jun 30, 2012 | 6-K/A | 2012-09-07 | ||
| Q4 2011 | $58.7M | +$4.49M | +8.28% | Dec 31, 2011 | 20-F | 2013-04-30 |
| Q4 2010 | $54.2M | Dec 31, 2010 | 20-F/A | 2012-08-10 |