| Period | Value | YoY Chg | Change % | Date | Report | Filed |
|---|---|---|---|---|---|---|
| Q4 2022 | -$30.2M | -$2.92M | -10.7% | Dec 31, 2022 | 10-K | 2023-04-17 |
| Q3 2022 | -$30.3M | -$3.94M | -14.9% | Sep 30, 2022 | 10-Q | 2022-11-04 |
| Q2 2022 | -$29.6M | -$3.44M | -13.1% | Jun 30, 2022 | 10-Q | 2022-08-15 |
| Q1 2022 | -$28.5M | -$656K | -2.36% | Mar 31, 2022 | 10-Q | 2022-05-06 |
| Q4 2021 | -$27.3M | +$84K | +0.31% | Dec 31, 2021 | 10-K | 2023-04-17 |
| Q3 2021 | -$26.4M | -$1.4M | -5.61% | Sep 30, 2021 | 10-Q | 2021-10-22 |
| Q2 2021 | -$26.2M | -$2.99M | -12.9% | Jun 30, 2021 | 10-Q | 2021-08-12 |
| Q1 2021 | -$27.8M | -$5.81M | -26.4% | Mar 31, 2021 | 10-Q | 2021-05-13 |
| Q4 2020 | -$27.4M | -$7.47M | -37.5% | Dec 31, 2020 | 10-K | 2022-03-31 |
| Q3 2020 | -$25M | -$8.9M | -55.4% | Sep 30, 2020 | 10-Q | 2020-11-12 |
| Q2 2020 | -$23.2M | -$8.45M | -57.3% | Jun 30, 2020 | 10-Q | 2020-08-13 |
| Q1 2020 | -$22M | -$8.15M | -58.8% | Mar 31, 2020 | 10-Q | 2020-05-15 |
| Q4 2019 | -$19.9M | -$742K | -3.87% | Dec 31, 2019 | 10-K | 2021-03-25 |
| Q3 2019 | -$16.1M | +$2.34M | +12.7% | Sep 30, 2019 | 10-Q | 2019-11-12 |
| Q2 2019 | -$14.7M | +$3.48M | +19.1% | Jun 30, 2019 | 10-Q | 2019-08-14 |
| Q1 2019 | -$13.9M | +$4.03M | +22.5% | Mar 31, 2019 | 10-Q | 2019-05-15 |
| Q4 2018 | -$19.2M | -$1.36M | -7.62% | Dec 31, 2018 | 10-K | 2020-04-13 |
| Q3 2018 | -$18.4M | -$599K | -3.36% | Sep 30, 2018 | 10-Q | 2018-11-14 |
| Q2 2018 | -$18.2M | -$553K | -3.13% | Jun 30, 2018 | 10-Q | 2018-08-14 |
| Q1 2018 | -$17.9M | -$449K | -2.58% | Mar 31, 2018 | 10-Q | 2018-05-11 |
| Q4 2017 | -$17.8M | -$642K | -3.74% | Dec 31, 2017 | 10-K | 2019-04-01 |
| Q3 2017 | -$17.8M | -$1.05M | -6.24% | Sep 30, 2017 | 10-Q | 2017-11-14 |
| Q2 2017 | -$17.7M | -$3.47M | -24.5% | Jun 30, 2017 | 10-Q | 2017-08-14 |
| Q1 2017 | -$17.4M | -$4.95M | -39.6% | Mar 31, 2017 | 10-Q | 2017-05-15 |
| Q4 2016 | -$17.2M | -$4.98M | -40.8% | Dec 31, 2016 | 10-K | 2018-04-02 |
| Q3 2016 | -$16.8M | -$7.3M | -77.1% | Sep 30, 2016 | 10-Q | 2016-11-14 |
| Q2 2016 | -$14.2M | -$7.42M | -110% | Jun 30, 2016 | 10-Q | 2016-08-15 |
| Q1 2016 | -$12.5M | -$6.98M | -127% | Mar 31, 2016 | 10-Q | 2016-05-13 |
| Q4 2015 | -$12.2M | -$8.1M | -198% | Dec 31, 2015 | 10-K | 2017-03-31 |
| Q3 2015 | -$9.47M | -$6.05M | -177% | Sep 30, 2015 | 10-Q | 2015-11-16 |
| Q2 2015 | -$6.77M | -$2.77M | -69% | Jun 30, 2015 | 10-Q | 2015-08-14 |
| Q1 2015 | -$5.51M | -$1.16M | -26.5% | Mar 31, 2015 | 10-Q | 2015-05-15 |
| Q4 2014 | -$4.1M | -$902K | -28.2% | Dec 31, 2014 | 10-K | 2016-03-30 |
| Q3 2014 | -$3.42M | -$1.22M | -55.5% | Sep 30, 2014 | 10-Q | 2014-11-14 |
| Q2 2014 | -$4.01M | -$2.49M | -165% | Jun 30, 2014 | 10-Q | 2014-08-14 |
| Q1 2014 | -$4.36M | -$3.5M | -410% | Mar 31, 2014 | 10-Q | 2014-05-15 |
| Q4 2013 | -$3.19M | -$2.82M | -759% | Dec 31, 2013 | 10-K | 2015-03-31 |
| Q3 2013 | -$2.2M | -$5.02M | -178% | Sep 30, 2013 | 10-Q | 2013-11-14 |
| Q2 2013 | -$1.51M | -$4.24M | -156% | Jun 30, 2013 | 10-Q | 2013-08-14 |
| Q1 2013 | -$854K | -$4.16M | -126% | Mar 31, 2013 | 10-Q | 2013-05-15 |
| Q4 2012 | -$372K | -$5.16M | -108% | Dec 31, 2012 | 10-K | 2014-03-31 |
| Q3 2012 | $2.81M | -$2.12M | -43% | Sep 30, 2012 | 10-Q | 2012-11-14 |
| Q2 2012 | $2.72M | -$2.26M | -45.4% | Jun 30, 2012 | 10-Q/A | 2012-09-06 |
| Q1 2012 | $3.31M | Mar 31, 2012 | 10-Q | 2012-05-15 | ||
| Q4 2011 | $4.79M | -$411K | -7.91% | Dec 31, 2011 | 10-K | 2013-04-01 |
| Q3 2011 | $4.94M | Sep 30, 2011 | 10-Q | 2011-11-14 | ||
| Q2 2011 | $4.99M | Jun 30, 2011 | 10-Q | 2011-08-09 | ||
| Q4 2010 | $5.2M | Dec 31, 2010 | 10-K | 2012-03-30 |