| Period | Value | YoY Chg | Change % | Date | Report | Filed |
|---|---|---|---|---|---|---|
| Q3 2023 | -$17.4M | -$1.03M | -6.31% | Sep 30, 2023 | 10-Q | 2023-11-20 |
| Q2 2023 | -$17.2M | -$1.15M | -7.14% | Jun 30, 2023 | 10-Q | 2023-08-18 |
| Q1 2023 | -$17M | -$1.21M | -7.66% | Mar 31, 2023 | 10-Q | 2023-05-12 |
| Q4 2022 | -$16.8M | -$1.43M | -9.34% | Dec 31, 2022 | 10-Q | 2023-11-20 |
| Q3 2022 | -$16.3M | -$1.63M | -11.1% | Sep 30, 2022 | 10-Q | 2022-11-21 |
| Q2 2022 | -$16.1M | -$1.81M | -12.7% | Jun 30, 2022 | 10-Q | 2022-08-22 |
| Q1 2022 | -$15.8M | -$2.39M | -17.8% | Mar 31, 2022 | 10-Q | 2022-05-23 |
| Q4 2021 | -$15.3M | -$2.38M | -18.4% | Dec 31, 2021 | 10-K | 2023-04-17 |
| Q3 2021 | -$14.7M | -$2.17M | -17.3% | Sep 30, 2021 | 10-Q | 2021-11-12 |
| Q2 2021 | -$14.2M | -$2.3M | -19.2% | Jun 30, 2021 | 10-Q | 2021-08-13 |
| Q1 2021 | -$13.4M | -$2.06M | -18.2% | Mar 31, 2021 | 10-Q | 2021-05-14 |
| Q4 2020 | -$13M | -$2.66M | -25.9% | Dec 31, 2020 | 10-K | 2022-04-14 |
| Q3 2020 | -$12.5M | -$3.74M | -42.4% | Sep 30, 2020 | 10-Q | 2020-11-13 |
| Q2 2020 | -$11.9M | -$3.57M | -42.7% | Jun 30, 2020 | 10-Q | 2020-08-13 |
| Q1 2020 | -$11.4M | -$3.37M | -42.1% | Mar 31, 2020 | 10-Q | 2020-05-13 |
| Q4 2019 | -$10.3M | -$2.66M | -34.8% | Dec 31, 2019 | 10-K | 2021-03-03 |
| Q3 2019 | -$8.8M | -$2.08M | -31% | Sep 30, 2019 | 10-Q | 2019-11-13 |
| Q2 2019 | -$8.37M | -$2.04M | -32.2% | Jun 30, 2019 | 10-Q | 2019-08-13 |
| Q1 2019 | -$8M | -$1.88M | -30.8% | Mar 31, 2019 | 10-Q | 2019-05-13 |
| Q4 2018 | -$7.64M | -$1.96M | -34.6% | Dec 31, 2018 | 10-K | 2020-03-26 |
| Q3 2018 | -$6.72M | -$1.98M | -41.8% | Sep 30, 2018 | 10-Q | 2018-11-13 |
| Q2 2018 | -$6.33M | -$2.21M | -53.8% | Jun 30, 2018 | 10-Q | 2018-08-13 |
| Q1 2018 | -$6.12M | -$4.11M | -205% | Mar 31, 2018 | 10-Q | 2018-05-15 |
| Q4 2017 | -$5.68M | -$5.62M | -9839% | Dec 31, 2017 | 10-K | 2019-03-29 |
| Q3 2017 | -$4.74M | -$4.71M | -15818% | Sep 30, 2017 | 10-Q | 2017-11-13 |
| Q2 2017 | -$4.12M | -$4.1M | -19522% | Jun 30, 2017 | 10-Q | 2017-08-14 |
| Q1 2017 | -$2M | -$1.99M | -22238% | Mar 31, 2017 | 10-Q | 2017-05-22 |
| Q4 2016 | -$57.1K | -$60.9K | -1601% | Dec 31, 2016 | 10-K | 2018-03-21 |
| Q3 2016 | -$29.8K | Sep 30, 2016 | 10-Q | 2016-11-09 | ||
| Q2 2016 | -$21K | Jun 30, 2016 | 10-Q | 2016-08-11 | ||
| Q1 2016 | -$8.97K* | Mar 31, 2016 | 10-Q | 2016-05-10 | ||
| Q4 2015 | $3.8K* | Dec 31, 2015 | 10-K | 2017-03-27 |