| Period | Value | YoY Chg | Change % | Date | Report | Filed |
|---|---|---|---|---|---|---|
| Q3 2022 | $6.52M | -$14.2M | -68.5% | Sep 30, 2022 | 10-Q | 2022-11-14 |
| Q2 2022 | $6.52M | -$14.5M | -69% | Jun 30, 2022 | 10-Q | 2022-08-15 |
| Q1 2022 | $20.1M | -$732K | -3.51% | Mar 31, 2022 | 10-Q | 2022-05-16 |
| Q4 2021 | $11.6M | -$9.88M | -46% | Dec 31, 2021 | 10-Q | 2022-11-14 |
| Q3 2021 | $20.7M | -$129K | -0.62% | Sep 30, 2021 | 10-Q | 2021-11-15 |
| Q2 2021 | $21M | +$771K | +3.81% | Jun 30, 2021 | 10-Q | 2021-08-16 |
| Q1 2021 | $20.9M | +$886K | +4.44% | Mar 31, 2021 | 10-Q | 2021-05-17 |
| Q4 2020 | $21.5M | +$1.23M | +6.08% | Dec 31, 2020 | 10-K | 2022-03-24 |
| Q3 2020 | $20.8M | +$914K | +4.59% | Sep 30, 2020 | 10-Q | 2020-11-16 |
| Q2 2020 | $20.3M | -$198K | -0.97% | Jun 30, 2020 | 10-Q | 2020-08-12 |
| Q1 2020 | $20M | -$288K | -1.42% | Mar 31, 2020 | 10-Q | 2020-05-13 |
| Q4 2019 | $20.2M | -$273K | -1.33% | Dec 31, 2019 | 10-K | 2022-03-24 |
| Q3 2019 | $19.9M | Sep 30, 2019 | 10-Q | 2019-11-13 | ||
| Q2 2019 | $20.4M | -$309K | -1.49% | Jun 30, 2019 | 10-Q | 2019-08-14 |
| Q1 2019 | $20.3M | Mar 31, 2019 | 10-Q | 2019-05-15 | ||
| Q4 2018 | $20.5M | -$609K | -2.88% | Dec 31, 2018 | 10-K | 2021-03-30 |
| Q2 2018 | $20.8M | Jun 30, 2018 | 6-K | 2018-09-21 | ||
| Q4 2017 | $21.1M | +$1.69M | +8.68% | Dec 31, 2017 | 10-K | 2020-03-30 |
| Q4 2016 | $19.4M | -$423K | -2.13% | Dec 31, 2016 | 10-K | 2019-03-28 |
| Q3 2016 | $20.2M | Sep 30, 2016 | 6-K | 2017-01-12 | ||
| Q4 2015 | $19.9M | -$1.46M | -6.85% | Dec 31, 2015 | 10-K | 2019-03-28 |
| Q4 2014 | $21.3M | -$1.88M | -8.11% | Dec 31, 2014 | 20-F | 2017-04-27 |
| Q4 2013 | $23.2M | +$688K | +3.06% | Dec 31, 2013 | 20-F | 2017-04-27 |
| Q4 2012 | $22.5M | +$18.7M | +494% | Dec 31, 2012 | 20-F | 2015-04-30 |
| Q4 2011 | $3.79M | $0 | 0% | Dec 31, 2011 | 20-F | 2014-04-30 |
| Q4 2010 | $3.79M | Dec 31, 2010 | 20-F | 2013-04-25 |