| Period | Value | YoY Chg | Change % | Date | Report | Filed |
|---|---|---|---|---|---|---|
| Q4 2023 | $6.43M | -$1.5M | -18.9% | Dec 31, 2023 | 10-K | 2024-03-21 |
| Q3 2023 | $6.41M | -$1.81M | -22% | Sep 30, 2023 | 10-Q | 2023-11-14 |
| Q2 2023 | $6.67M | -$1.85M | -21.8% | Jun 30, 2023 | 10-Q | 2023-08-14 |
| Q1 2023 | $6.82M | -$1.96M | -22.3% | Mar 31, 2023 | 10-Q | 2023-05-15 |
| Q4 2022 | $7.93M | -$2.41M | -23.3% | Dec 31, 2022 | 10-K | 2024-03-21 |
| Q3 2022 | $8.22M | -$2.54M | -23.6% | Sep 30, 2022 | 10-Q | 2022-11-14 |
| Q2 2022 | $8.52M | -$2.69M | -24% | Jun 30, 2022 | 10-Q | 2022-08-12 |
| Q1 2022 | $8.78M | -$3.36M | -27.7% | Mar 31, 2022 | 10-Q | 2022-05-13 |
| Q4 2021 | $10.3M | -$3.42M | -24.8% | Dec 31, 2021 | 10-K | 2023-03-15 |
| Q3 2021 | $10.8M | -$4.08M | -27.5% | Sep 30, 2021 | 10-Q | 2021-11-15 |
| Q2 2021 | $11.2M | -$4.21M | -27.3% | Jun 30, 2021 | 10-Q | 2021-08-16 |
| Q1 2021 | $12.1M | -$3.03M | -20% | Mar 31, 2021 | 10-Q | 2021-05-17 |
| Q4 2020 | $13.8M | -$4.24M | -23.6% | Dec 31, 2020 | 10-K | 2022-03-18 |
| Q3 2020 | $14.8M | -$3.44M | -18.8% | Sep 30, 2020 | 10-Q | 2020-11-16 |
| Q2 2020 | $15.4M | -$3.79M | -19.7% | Jun 30, 2020 | 10-Q | 2020-08-14 |
| Q1 2020 | $15.2M | -$5.53M | -26.7% | Mar 31, 2020 | 10-Q | 2020-05-15 |
| Q4 2019 | $18M | -$3.39M | -15.8% | Dec 31, 2019 | 10-K | 2021-03-30 |
| Q3 2019 | $18.3M | -$3.82M | -17.3% | Sep 30, 2019 | 10-Q | 2019-11-14 |
| Q2 2019 | $19.2M | -$3.94M | -17% | Jun 30, 2019 | 10-Q | 2019-08-14 |
| Q1 2019 | $20.7M | -$2.87M | -12.2% | Mar 31, 2019 | 10-Q | 2019-05-13 |
| Q4 2018 | $21.4M | -$3.82M | -15.2% | Dec 31, 2018 | 10-K | 2020-03-26 |
| Q3 2018 | $22.1M | -$3.61M | -14% | Sep 30, 2018 | 10-Q | 2018-11-08 |
| Q2 2018 | $23.1M | -$5.16M | -18.2% | Jun 30, 2018 | 10-Q | 2018-08-10 |
| Q1 2018 | $23.6M | -$7.79M | -24.8% | Mar 31, 2018 | 10-Q | 2018-05-15 |
| Q4 2017 | $25.2M | -$8.83M | -25.9% | Dec 31, 2017 | 10-K | 2019-03-18 |
| Q3 2017 | $25.7M | -$9.52M | -27% | Sep 30, 2017 | 10-Q | 2017-11-09 |
| Q2 2017 | $28.3M | -$9.65M | -25.4% | Jun 30, 2017 | 10-Q | 2017-08-10 |
| Q1 2017 | $31.4M | -$9.81M | -23.8% | Mar 31, 2017 | 10-Q | 2017-05-12 |
| Q4 2016 | $34M | -$9.49M | -21.8% | Dec 31, 2016 | 10-K | 2018-03-27 |
| Q3 2016 | $35.2M | -$11.5M | -24.6% | Sep 30, 2016 | 10-Q | 2016-11-10 |
| Q2 2016 | $38M | -$12.5M | -24.8% | Jun 30, 2016 | 10-Q | 2016-08-12 |
| Q1 2016 | $41.2M | -$13.5M | -24.7% | Mar 31, 2016 | 10-Q | 2016-05-16 |
| Q4 2015 | $43.5M | -$15M | -25.7% | Dec 31, 2015 | 10-K | 2017-03-20 |
| Q3 2015 | $46.7M | -$15.8M | -25.3% | Sep 30, 2015 | 10-Q | 2015-11-12 |
| Q2 2015 | $50.5M | -$16M | -24.1% | Jun 30, 2015 | 10-Q | 2015-08-14 |
| Q1 2015 | $54.7M | -$14.9M | -21.5% | Mar 31, 2015 | 10-Q | 2015-05-15 |
| Q4 2014 | $58.6M | -$13.8M | -19.1% | Dec 31, 2014 | 10-K | 2016-03-30 |
| Q3 2014 | $62.5M | +$891K | +1.45% | Sep 30, 2014 | 10-Q | 2014-11-13 |
| Q2 2014 | $66.5M | +$817K | +1.24% | Jun 30, 2014 | 10-Q | 2014-08-14 |
| Q1 2014 | $69.6M | +$5.65M | +8.84% | Mar 31, 2014 | 10-Q | 2014-05-13 |
| Q4 2013 | $72.4M | +$1.17M | +1.64% | Dec 31, 2013 | 10-K | 2015-03-31 |
| Q3 2013 | $61.6M | +$605K | +0.99% | Sep 30, 2013 | 10-Q | 2013-11-13 |
| Q2 2013 | $65.7M | +$1.05M | +1.63% | Jun 30, 2013 | 10-Q | 2013-08-13 |
| Q1 2013 | $64M | +$791K | +1.25% | Mar 31, 2013 | 10-Q | 2013-05-14 |
| Q4 2012 | $71.2M | +$5.45M | +8.29% | Dec 31, 2012 | 10-K | 2014-03-18 |
| Q3 2012 | $61M | -$2.72M | -4.27% | Sep 30, 2012 | 10-Q | 2012-11-13 |
| Q2 2012 | $64.6M | +$13.2M | +25.7% | Jun 30, 2012 | 10-Q | 2012-08-13 |
| Q1 2012 | $63.2M | Mar 31, 2012 | 10-Q | 2012-05-11 | ||
| Q4 2011 | $65.7M | +$29.2M | +79.9% | Dec 31, 2011 | 10-K | 2013-03-15 |
| Q3 2011 | $63.7M | Sep 30, 2011 | 10-Q | 2011-11-14 | ||
| Q2 2011 | $51.4M | Jun 30, 2011 | 10-Q | 2011-08-12 | ||
| Q4 2010 | $36.5M | Dec 31, 2010 | 10-K | 2012-03-15 |