| Period | Value | YoY Chg | Change % | Date | Report | Filed |
|---|---|---|---|---|---|---|
| Q4 2023 | -$31.7M | -$785K | -2.54% | Dec 31, 2023 | 10-K | 2024-04-08 |
| Q3 2023 | -$31.5M | -$775K | -2.52% | Sep 30, 2023 | 10-Q | 2023-11-14 |
| Q2 2023 | -$31.3M | Jun 30, 2023 | 10-Q | 2023-08-14 | ||
| Q1 2023 | -$31.1M | -$758K | -2.5% | Mar 31, 2023 | 10-Q | 2023-05-15 |
| Q4 2022 | -$30.9M | -$805K | -2.68% | Dec 31, 2022 | 10-K | 2024-04-08 |
| Q3 2022 | -$30.7M | -$895K | -3% | Sep 30, 2022 | 10-Q | 2022-11-14 |
| Q1 2022 | -$30.3M | -$732K | -2.47% | Mar 31, 2022 | 10-Q | 2022-05-16 |
| Q4 2021 | -$30.1M | -$688K | -2.34% | Dec 31, 2021 | 10-K | 2023-04-10 |
| Q3 2021 | -$29.8M | -$379K | -1.29% | Sep 30, 2021 | 10-Q | 2021-11-15 |
| Q2 2021 | -$29.7M | -$491K | -1.68% | Jun 30, 2021 | 10-Q | 2021-08-17 |
| Q1 2021 | -$29.6M | -$564K | -1.94% | Mar 31, 2021 | 10-Q | 2021-05-17 |
| Q4 2020 | -$29.4M | -$607K | -2.11% | Dec 31, 2020 | 10-K | 2022-03-31 |
| Q3 2020 | -$29.5M | -$749K | -2.61% | Sep 30, 2020 | 10-Q | 2020-11-16 |
| Q2 2020 | -$29.2M | -$839K | -2.96% | Jun 30, 2020 | 10-Q | 2020-08-14 |
| Q1 2020 | -$29M | -$563K | -1.98% | Mar 31, 2020 | 10-Q | 2020-05-15 |
| Q4 2019 | -$28.8M | -$575K | -2.04% | Dec 31, 2019 | 10-K | 2021-03-31 |
| Q3 2019 | -$28.7M | -$1.02M | -3.69% | Sep 30, 2019 | 10-Q | 2019-11-14 |
| Q2 2019 | -$28.4M | -$804K | -2.92% | Jun 30, 2019 | 10-Q | 2019-08-14 |
| Q1 2019 | -$28.5M | -$1.07M | -3.9% | Mar 31, 2019 | 10-Q | 2019-05-15 |
| Q4 2018 | -$28.2M | -$906K | -3.32% | Dec 31, 2018 | 10-K | 2020-03-30 |
| Q3 2018 | -$27.7M | -$755K | -2.8% | Sep 30, 2018 | 10-Q | 2018-11-14 |
| Q2 2018 | -$27.6M | -$861K | -3.22% | Jun 30, 2018 | 10-Q | 2018-08-14 |
| Q1 2018 | -$27.4M | -$895K | -3.38% | Mar 31, 2018 | 10-Q | 2018-05-15 |
| Q4 2017 | -$27.3M | -$1.08M | -4.13% | Dec 31, 2017 | 10-K | 2019-04-01 |
| Q3 2017 | -$26.9M | -$1.64M | -6.47% | Sep 30, 2017 | 10-Q | 2017-11-14 |
| Q2 2017 | -$26.7M | -$1.85M | -7.46% | Jun 30, 2017 | 10-Q | 2017-08-14 |
| Q1 2017 | -$26.5M | -$2.08M | -8.49% | Mar 31, 2017 | 10-Q | 2017-05-15 |
| Q4 2016 | -$26.2M | -$2.09M | -8.68% | Dec 31, 2016 | 10-K | 2018-04-17 |
| Q3 2016 | -$25.3M | -$2.25M | -9.77% | Sep 30, 2016 | 10-Q | 2016-11-14 |
| Q2 2016 | -$24.9M | -$2.54M | -11.4% | Jun 30, 2016 | 10-Q | 2016-08-15 |
| Q1 2016 | -$24.4M | -$2.57M | -11.8% | Mar 31, 2016 | 10-Q | 2016-05-16 |
| Q4 2015 | -$24.1M | -$2.74M | -12.8% | Dec 31, 2015 | 10-K | 2017-04-18 |
| Q3 2015 | -$23M | -$1.91M | -9.04% | Sep 30, 2015 | 10-Q | 2015-11-16 |
| Q2 2015 | -$22.3M | -$1.41M | -6.73% | Jun 30, 2015 | 10-Q | 2015-08-14 |
| Q1 2015 | -$21.9M | -$1.21M | -5.87% | Mar 31, 2015 | 10-Q | 2015-05-14 |
| Q4 2014 | -$21.4M | -$979K | -4.8% | Dec 31, 2014 | 10-K | 2016-04-14 |
| Q3 2014 | -$21.1M | -$1M | -4.97% | Sep 30, 2014 | 10-Q | 2014-11-12 |
| Q2 2014 | -$20.9M | -$957K | -4.8% | Jun 30, 2014 | 10-Q | 2014-08-14 |
| Q1 2014 | -$20.7M | -$960K | -4.87% | Mar 31, 2014 | 10-Q | 2014-05-12 |
| Q4 2013 | -$20.4M | -$960K | -4.94% | Dec 31, 2013 | 10-K | 2015-03-30 |
| Q3 2013 | -$20.1M | -$1.16M | -6.11% | Sep 30, 2013 | 10-Q | 2013-11-14 |
| Q2 2013 | -$19.9M | -$1.29M | -6.93% | Jun 30, 2013 | 10-Q | 2013-08-14 |
| Q1 2013 | -$19.7M | -$1.02M | -5.45% | Mar 31, 2013 | 10-Q | 2013-05-15 |
| Q4 2012 | -$19.4M | -$1.05M | -5.71% | Dec 31, 2012 | 10-K | 2014-04-02 |
| Q3 2012 | -$19M | -$897K | -4.96% | Sep 30, 2012 | 10-Q/A | 2013-04-08 |
| Q2 2012 | -$18.7M | -$1.17M | -6.7% | Jun 30, 2012 | 10-Q | 2012-08-14 |
| Q1 2012 | -$18.7M | Mar 31, 2012 | 10-Q | 2012-05-15 | ||
| Q4 2011 | -$18.4M | -$1.62M | -9.63% | Dec 31, 2011 | 10-K | 2013-04-16 |
| Q3 2011 | -$18.1M | Sep 30, 2011 | 10-Q | 2011-11-14 | ||
| Q2 2011 | -$17.5M | Jun 30, 2011 | 10-Q | 2011-08-15 | ||
| Q4 2010 | -$16.8M | Dec 31, 2010 | 10-K | 2012-04-02 |