| Period | Value | YoY Chg | Change % | Date | Report | Filed |
|---|---|---|---|---|---|---|
| Q4 2023 | $28.5M | -$7.8M | -21.5% | Dec 31, 2023 | 10-K | 2024-02-29 |
| Q4 2022 | $36.3M | -$9.5M | -20.7% | Dec 31, 2022 | 10-K | 2024-02-29 |
| Q4 2021 | $45.8M | -$11.8M | -20.5% | Dec 31, 2021 | 10-K | 2023-03-15 |
| Q4 2020 | $57.6M | -$13.6M | -19.1% | Dec 31, 2020 | 10-K | 2022-03-04 |
| Q3 2020 | $61.3M | -$14.1M | -18.7% | Sep 30, 2020 | 10-Q | 2020-11-06 |
| Q2 2020 | $64.8M | -$14.8M | -18.6% | Jun 30, 2020 | 10-Q | 2020-08-06 |
| Q1 2020 | $68.4M | -$15.4M | -18.4% | Mar 31, 2020 | 10-Q | 2020-05-07 |
| Q4 2019 | $71.2M | -$16.8M | -19.1% | Dec 31, 2019 | 10-K | 2021-03-03 |
| Q3 2019 | $75.4M | -$17.6M | -18.9% | Sep 30, 2019 | 10-Q | 2019-11-12 |
| Q2 2019 | $79.6M | -$18.3M | -18.7% | Jun 30, 2019 | 10-Q | 2019-08-08 |
| Q1 2019 | $83.8M | -$19.1M | -18.6% | Mar 31, 2019 | 10-Q | 2019-05-10 |
| Q4 2018 | $88M | -$19.9M | -18.4% | Dec 31, 2018 | 10-K | 2020-03-05 |
| Q3 2018 | $93M | -$60.9M | -39.6% | Sep 30, 2018 | 10-Q | 2018-11-09 |
| Q2 2018 | $97.9M | -$64.2M | -39.6% | Jun 30, 2018 | 10-Q | 2018-08-09 |
| Q1 2018 | $103M | -$67.4M | -39.6% | Mar 31, 2018 | 10-Q | 2018-05-15 |
| Q4 2017 | $108M | -$25.6M | -19.2% | Dec 31, 2017 | 10-K | 2019-03-07 |
| Q3 2017 | $154M | -$33.9M | -18.1% | Sep 30, 2017 | 10-Q | 2017-12-28 |
| Q2 2017 | $162M | -$35.1M | -17.8% | Jun 30, 2017 | 10-Q | 2017-08-07 |
| Q1 2017 | $170M | -$36.2M | -17.5% | Mar 31, 2017 | 10-Q | 2017-05-09 |
| Q4 2016 | $134M | -$80.6M | -37.6% | Dec 31, 2016 | 10-K | 2018-04-02 |
| Q3 2016 | $188M | -$37.1M | -16.5% | Sep 30, 2016 | 10-Q | 2016-11-09 |
| Q2 2016 | $197M | -$38.6M | -16.4% | Jun 30, 2016 | 10-Q | 2016-08-05 |
| Q1 2016 | $207M | -$40.6M | -16.4% | Mar 31, 2016 | 10-Q | 2016-05-06 |
| Q4 2015 | $214M | -$43.4M | -16.9% | Dec 31, 2015 | 10-K | 2017-03-06 |
| Q3 2015 | $225M | -$43.8M | -16.3% | Sep 30, 2015 | 10-Q | 2015-11-06 |
| Q2 2015 | $236M | -$38M | -13.9% | Jun 30, 2015 | 10-Q | 2015-08-07 |
| Q1 2015 | $247M | -$37.5M | -13.2% | Mar 31, 2015 | 10-Q | 2015-05-08 |
| Q4 2014 | $258M | +$44.6M | +20.9% | Dec 31, 2014 | 10-K | 2016-02-29 |
| Q3 2014 | $269M | +$90.7M | +51% | Sep 30, 2014 | 10-Q | 2014-11-07 |
| Q2 2014 | $274M | +$89.4M | +48.5% | Jun 30, 2014 | 10-Q | 2014-08-08 |
| Q1 2014 | $285M | +$93.9M | +49.2% | Mar 31, 2014 | 10-Q | 2014-05-09 |
| Q4 2013 | $213M | +$15.8M | +8.02% | Dec 31, 2013 | 10-K | 2015-03-02 |
| Q3 2013 | $178M | -$25.8M | -12.6% | Sep 30, 2013 | 10-Q | 2013-11-08 |
| Q2 2013 | $184M | +$157M | +582% | Jun 30, 2013 | 10-Q | 2013-08-09 |
| Q1 2013 | $191M | +$160M | +513% | Mar 31, 2013 | 10-Q | 2013-05-10 |
| Q4 2012 | $197M | +$174M | +769% | Dec 31, 2012 | 10-K | 2014-03-03 |
| Q3 2012 | $204M | +$179M | +734% | Sep 30, 2012 | 10-Q | 2012-11-07 |
| Q2 2012 | $27M | +$849K | +3.24% | Jun 30, 2012 | 10-Q | 2012-08-09 |
| Q1 2012 | $31.1M | Mar 31, 2012 | 10-Q | 2012-05-04 | ||
| Q4 2011 | $22.7M | -$6.99M | -23.6% | Dec 31, 2011 | 10-K | 2013-03-01 |
| Q3 2011 | $24.4M | Sep 30, 2011 | 10-Q | 2011-11-04 | ||
| Q2 2011 | $26.2M | Jun 30, 2011 | 10-Q | 2011-08-08 | ||
| Q4 2010 | $29.7M | Dec 31, 2010 | 10-K | 2012-02-29 |