| Period | Value | YoY Chg | Change % | Date | Report | Filed |
|---|---|---|---|---|---|---|
| Q4 2022 | $20.2M | -$4.74M | -19% | Dec 31, 2022 | 10-K | 2023-02-24 |
| Q4 2021 | $25M | -$469K | -1.84% | Dec 31, 2021 | 10-K | 2023-02-24 |
| Q4 2020 | $25.4M | -$4.25M | -14.3% | Dec 31, 2020 | 10-K | 2022-02-25 |
| Q4 2019 | $29.7M | +$4.52M | +18% | Dec 31, 2019 | 10-K | 2021-02-26 |
| Q4 2018 | $25.2M | -$4.84M | -16.1% | Dec 31, 2018 | 10-K | 2020-02-21 |
| Q1 2018 | $28.9M | +$23.5M | +430% | Mar 31, 2018 | 10-Q | 2018-04-27 |
| Q4 2017 | $30M | +$23.9M | +395% | Dec 31, 2017 | 10-K | 2019-02-22 |
| Q3 2017 | $4.31M | -$2.63M | -37.9% | Sep 30, 2017 | 10-Q | 2017-10-31 |
| Q2 2017 | $4.89M | -$1.09M | -18.3% | Jun 30, 2017 | 10-Q | 2017-07-28 |
| Q1 2017 | $5.45M | -$4.64M | -46% | Mar 31, 2017 | 10-Q | 2017-04-28 |
| Q4 2016 | $6.07M | -$4.98M | -45.1% | Dec 31, 2016 | 10-K | 2018-02-23 |
| Q3 2016 | $6.94M | -$5.25M | -43.1% | Sep 30, 2016 | 10-Q | 2016-10-31 |
| Q2 2016 | $5.99M | -$7.33M | -55.1% | Jun 30, 2016 | 10-Q | 2016-07-29 |
| Q1 2016 | $10.1M | -$4.15M | -29.1% | Mar 31, 2016 | 10-Q | 2016-05-13 |
| Q4 2015 | $11.1M | -$4.62M | -29.5% | Dec 31, 2015 | 10-K | 2017-02-24 |
| Q3 2015 | $12.2M | -$6.75M | -35.6% | Sep 30, 2015 | 10-Q | 2015-10-30 |
| Q2 2015 | $13.3M | -$7.94M | -37.4% | Jun 30, 2015 | 10-Q | 2015-07-31 |
| Q1 2015 | $14.2M | -$9.63M | -40.3% | Mar 31, 2015 | 10-Q | 2015-05-01 |
| Q4 2014 | $15.7M | -$10.2M | -39.5% | Dec 31, 2014 | 10-K | 2016-02-26 |
| Q3 2014 | $18.9M | -$11.8M | -38.4% | Sep 30, 2014 | 10-Q | 2014-10-31 |
| Q2 2014 | $21.3M | -$12.5M | -37% | Jun 30, 2014 | 10-Q | 2014-07-25 |
| Q1 2014 | $23.9M | -$12.4M | -34.3% | Mar 31, 2014 | 10-Q | 2014-04-25 |
| Q4 2013 | $25.9M | -$11.8M | -31.2% | Dec 31, 2013 | 10-K | 2015-02-27 |
| Q3 2013 | $30.8M | +$12.5M | +68% | Sep 30, 2013 | 10-Q | 2013-10-25 |
| Q2 2013 | $33.7M | +$14.7M | +76.9% | Jun 30, 2013 | 10-Q | 2013-07-26 |
| Q1 2013 | $36.3M | +$16.3M | +81.3% | Mar 31, 2013 | 10-Q | 2013-04-26 |
| Q4 2012 | $37.7M | +$16.8M | +80.6% | Dec 31, 2012 | 10-K | 2014-02-28 |
| Q3 2012 | $18.3M | -$3.59M | -16.4% | Sep 30, 2012 | 10-Q | 2012-10-26 |
| Q2 2012 | $19.1M | -$1.97M | -9.34% | Jun 30, 2012 | 10-Q | 2012-07-27 |
| Q1 2012 | $20M | Mar 31, 2012 | 10-Q | 2012-05-02 | ||
| Q4 2011 | $20.9M | +$7.78M | +59.5% | Dec 31, 2011 | 10-K | 2013-02-28 |
| Q3 2011 | $21.9M | Sep 30, 2011 | 10-Q | 2011-10-28 | ||
| Q2 2011 | $21M | Jun 30, 2011 | 10-Q | 2011-07-29 | ||
| Q4 2010 | $13.1M | Dec 31, 2010 | 10-K | 2012-02-29 |