| Period | Value | YoY Chg | Change % | Date | Report | Filed |
|---|---|---|---|---|---|---|
| Q4 2022 | $58.8M | -$6.03M | -9.31% | Dec 31, 2022 | 10-K | 2023-02-23 |
| Q4 2021 | $64.8M | -$6.03M | -8.51% | Dec 31, 2021 | 10-K | 2023-02-23 |
| Q4 2020 | $70.8M | -$6.03M | -7.85% | Dec 31, 2020 | 10-K | 2022-02-17 |
| Q4 2019 | $76.9M | -$20.8M | -21.3% | Dec 31, 2019 | 10-K | 2021-02-18 |
| Q4 2018 | $97.7M | -$8.8M | -8.26% | Dec 31, 2018 | 10-K | 2020-02-24 |
| Q3 2018 | $99.9M | -$8.87M | -8.16% | Sep 30, 2018 | 10-Q | 2018-11-01 |
| Q2 2018 | $102M | -$9.05M | -8.15% | Jun 30, 2018 | 10-Q | 2018-08-02 |
| Q1 2018 | $104M | -$9.24M | -8.14% | Mar 31, 2018 | 10-Q | 2018-05-03 |
| Q4 2017 | $106M | -$9.54M | -8.23% | Dec 31, 2017 | 10-K | 2019-02-19 |
| Q3 2017 | $109M | -$5.65M | -4.94% | Sep 30, 2017 | 10-Q | 2017-11-07 |
| Q2 2017 | $111M | -$6.05M | -5.16% | Jun 30, 2017 | 10-Q | 2017-08-02 |
| Q1 2017 | $113M | +$57.1M | +101% | Mar 31, 2017 | 10-Q | 2017-05-03 |
| Q4 2016 | $116M | +$57.5M | +98.4% | Dec 31, 2016 | 10-K | 2018-02-22 |
| Q3 2016 | $114M | +$53.7M | +88.4% | Sep 30, 2016 | 10-Q | 2016-11-03 |
| Q2 2016 | $117M | +$54.2M | +86.2% | Jun 30, 2016 | 10-Q | 2016-08-03 |
| Q1 2016 | $56.4M | -$8.78M | -13.5% | Mar 31, 2016 | 10-Q | 2016-05-05 |
| Q4 2015 | $58.5M | -$8.93M | -13.2% | Dec 31, 2015 | 10-K | 2017-02-23 |
| Q3 2015 | $60.7M | -$8.98M | -12.9% | Sep 30, 2015 | 10-Q | 2015-11-05 |
| Q2 2015 | $62.9M | -$9.04M | -12.6% | Jun 30, 2015 | 10-Q | 2015-07-30 |
| Q1 2015 | $65.2M | -$9.09M | -12.2% | Mar 31, 2015 | 10-Q | 2015-04-30 |
| Q4 2014 | $67.4M | +$33.6M | +99.1% | Dec 31, 2014 | 10-K | 2016-02-18 |
| Q3 2014 | $69.7M | +$33.7M | +93.8% | Sep 30, 2014 | 10-Q | 2014-11-06 |
| Q2 2014 | $72M | +$38.7M | +117% | Jun 30, 2014 | 10-Q | 2014-07-31 |
| Q1 2014 | $74.3M | +$39.9M | +116% | Mar 31, 2014 | 10-Q | 2014-05-01 |
| Q4 2013 | $33.9M | -$1.68M | -4.71% | Dec 31, 2013 | 10-K | 2015-02-12 |
| Q3 2013 | $35.9M | -$756K | -2.06% | Sep 30, 2013 | 10-Q | 2013-11-07 |
| Q2 2013 | $33.2M | -$4.37M | -11.6% | Jun 30, 2013 | 10-Q | 2013-08-01 |
| Q1 2013 | $34.4M | -$4.4M | -11.4% | Mar 31, 2013 | 10-Q | 2013-05-02 |
| Q4 2012 | $35.5M | -$4.43M | -11.1% | Dec 31, 2012 | 10-K | 2014-02-13 |
| Q3 2012 | $36.7M | -$4.45M | -10.8% | Sep 30, 2012 | 10-Q | 2012-11-01 |
| Q2 2012 | $37.6M | -$4.76M | -11.2% | Jun 30, 2012 | 10-Q | 2012-08-02 |
| Q1 2012 | $38.8M | Mar 31, 2012 | 10-Q | 2012-05-03 | ||
| Q4 2011 | $40M | -$2.67M | -6.25% | Dec 31, 2011 | 10-K | 2013-02-13 |
| Q3 2011 | $41.2M | Sep 30, 2011 | 10-Q | 2011-11-03 | ||
| Q2 2011 | $42.4M | Jun 30, 2011 | 10-Q | 2011-08-02 | ||
| Q4 2010 | $42.6M | Dec 31, 2010 | 10-K | 2012-02-15 |