| Period | Value | YoY Chg | Change % | Date | Report | Filed |
|---|---|---|---|---|---|---|
| Q4 2023 | $6.85M | -$3.11M | -31.2% | Dec 31, 2023 | 10-K | 2024-02-22 |
| Q4 2022 | $9.96M | -$4.61M | -31.6% | Dec 31, 2022 | 10-K | 2024-02-22 |
| Q3 2022 | $11.8M | -$4M | -25.3% | Sep 30, 2022 | 10-Q | 2022-11-01 |
| Q2 2022 | $12.5M | -$4.42M | -26% | Jun 30, 2022 | 10-Q | 2022-08-02 |
| Q1 2022 | $13.4M | -$4.73M | -26.1% | Mar 31, 2022 | 10-Q | 2022-05-09 |
| Q4 2021 | $14.6M | -$4.68M | -24.3% | Dec 31, 2021 | 10-K | 2023-02-24 |
| Q3 2021 | $15.8M | -$6.65M | -29.6% | Sep 30, 2021 | 10-Q | 2021-11-01 |
| Q2 2021 | $17M | -$7.81M | -31.5% | Jun 30, 2021 | 10-Q | 2021-07-30 |
| Q1 2021 | $18.1M | -$7.94M | -30.5% | Mar 31, 2021 | 10-Q | 2021-05-03 |
| Q4 2020 | $19.2M | -$8.14M | -29.7% | Dec 31, 2020 | 10-K | 2022-02-22 |
| Q3 2020 | $22.4M | -$7.02M | -23.8% | Sep 30, 2020 | 10-Q | 2020-10-30 |
| Q2 2020 | $24.8M | -$6.39M | -20.5% | Jun 30, 2020 | 10-Q | 2020-07-31 |
| Q1 2020 | $26.1M | -$7.09M | -21.4% | Mar 31, 2020 | 10-Q | 2020-05-08 |
| Q4 2019 | $27.4M | -$16.1M | -37% | Dec 31, 2019 | 10-K | 2021-02-12 |
| Q3 2019 | $29.5M | -$17.6M | -37.4% | Sep 30, 2019 | 10-Q | 2019-11-01 |
| Q2 2019 | $31.2M | -$19.4M | -38.4% | Jun 30, 2019 | 10-Q | 2019-08-05 |
| Q1 2019 | $33.2M | -$21.4M | -39.2% | Mar 31, 2019 | 10-Q | 2019-05-07 |
| Q4 2018 | $43.5M | -$15.6M | -26.4% | Dec 31, 2018 | 10-K | 2020-02-19 |
| Q3 2018 | $47.1M | -$17M | -26.5% | Sep 30, 2018 | 10-Q | 2018-11-08 |
| Q2 2018 | $50.6M | -$18.6M | -26.9% | Jun 30, 2018 | 10-Q | 2018-07-31 |
| Q1 2018 | $54.6M | -$19.1M | -26% | Mar 31, 2018 | 10-Q | 2018-05-01 |
| Q4 2017 | $59.1M | -$19.3M | -24.6% | Dec 31, 2017 | 10-K | 2019-02-21 |
| Q3 2017 | $64.1M | -$20M | -23.8% | Sep 30, 2017 | 10-Q | 2017-10-27 |
| Q2 2017 | $69.2M | -$19.6M | -22.1% | Jun 30, 2017 | 10-Q | 2017-07-31 |
| Q1 2017 | $73.7M | -$19.8M | -21.1% | Mar 31, 2017 | 10-Q | 2017-04-28 |
| Q4 2016 | $78.4M | -$20M | -20.3% | Dec 31, 2016 | 10-K | 2018-02-16 |
| Q3 2016 | $84.1M | -$22.1M | -20.8% | Sep 30, 2016 | 10-Q | 2016-11-04 |
| Q2 2016 | $88.8M | +$7.06M | +8.64% | Jun 30, 2016 | 10-Q | 2016-08-02 |
| Q1 2016 | $93.5M | +$32M | +52.1% | Mar 31, 2016 | 10-Q | 2016-05-03 |
| Q4 2015 | $98.3M | +$54.5M | +124% | Dec 31, 2015 | 10-K | 2017-02-17 |
| Q3 2015 | $106M | +$57.9M | +120% | Sep 30, 2015 | 10-Q | 2015-11-04 |
| Q2 2015 | $81.7M | +$30.1M | +58.3% | Jun 30, 2015 | 10-Q | 2015-08-03 |
| Q1 2015 | $61.5M | +$5.8M | +10.4% | Mar 31, 2015 | 10-Q | 2015-04-30 |
| Q4 2014 | $43.9M | -$15.4M | -26% | Dec 31, 2014 | 10-K | 2016-02-25 |
| Q3 2014 | $48.3M | -$16.1M | -25% | Sep 30, 2014 | 10-Q | 2014-10-28 |
| Q2 2014 | $51.6M | -$16.4M | -24.1% | Jun 30, 2014 | 10-Q | 2014-07-30 |
| Q1 2014 | $55.7M | -$16.4M | -22.7% | Mar 31, 2014 | 10-Q | 2014-05-01 |
| Q4 2013 | $59.3M | -$16.6M | -21.9% | Dec 31, 2013 | 10-K | 2015-02-18 |
| Q3 2013 | $64.4M | -$16.7M | -20.6% | Sep 30, 2013 | 10-Q | 2013-10-29 |
| Q2 2013 | $68M | -$8.38M | -11% | Jun 30, 2013 | 10-Q | 2013-08-01 |
| Q1 2013 | $72M | -$11.9M | -14.2% | Mar 31, 2013 | 10-Q | 2013-04-30 |
| Q4 2012 | $75.9M | -$13.2M | -14.9% | Dec 31, 2012 | 10-K | 2014-03-03 |
| Q3 2012 | $81.1M | -$16.9M | -17.2% | Sep 30, 2012 | 10-Q | 2012-10-26 |
| Q2 2012 | $76.4M | -$23.5M | -23.5% | Jun 30, 2012 | 10-Q | 2012-07-27 |
| Q1 2012 | $83.9M | -$22.5M | -21.1% | Mar 31, 2012 | 10-Q/A | 2012-06-19 |
| Q4 2011 | $89.1M | -$24.6M | -21.6% | Dec 31, 2011 | 10-K | 2013-02-12 |
| Q3 2011 | $98M | -$25.4M | -20.6% | Sep 30, 2011 | 10-Q | 2011-10-28 |
| Q2 2011 | $99.9M | +$3.77M | +3.92% | Jun 30, 2011 | 10-Q | 2011-07-29 |
| Q1 2011 | $106M | Mar 31, 2011 | 10-Q | 2011-04-29 | ||
| Q4 2010 | $114M | Dec 31, 2010 | 10-K | 2012-02-10 | ||
| Q3 2010 | $123M | Sep 30, 2010 | 10-Q | 2010-10-29 | ||
| Q2 2010 | $96.2M | Jun 30, 2010 | 10-Q | 2010-07-30 |