| Period | Value | YoY Chg | Change % | Date | Report | Filed |
|---|---|---|---|---|---|---|
| Q2 2023 | $16.4M | -$1.13M | -6.48% | Jun 30, 2023 | 10-Q | 2023-08-03 |
| Q1 2023 | $16M | -$1.45M | -8.32% | Mar 31, 2023 | 10-Q | 2023-05-10 |
| Q4 2022 | $16.9M | -$1.84M | -9.81% | Dec 31, 2022 | 10-Q | 2023-02-14 |
| Q3 2022 | $16.4M | -$65K | -0.4% | Sep 30, 2022 | 10-Q | 2023-08-03 |
| Q2 2022 | $17.5M | +$837K | +5.02% | Jun 30, 2022 | 10-Q | 2022-08-08 |
| Q1 2022 | $17.4M | -$90K | -0.51% | Mar 31, 2022 | 10-Q | 2022-05-13 |
| Q4 2021 | $18.8M | +$149K | +0.8% | Dec 31, 2021 | 10-Q | 2022-02-10 |
| Q3 2021 | $16.4M | -$3.18M | -16.2% | Sep 30, 2021 | 10-Q | 2022-08-08 |
| Q2 2021 | $16.7M | -$1.94M | -10.4% | Jun 30, 2021 | 10-Q | 2021-08-13 |
| Q1 2021 | $17.5M | -$2.91M | -14.2% | Mar 31, 2021 | 10-Q | 2021-05-14 |
| Q4 2020 | $18.6M | -$12.1M | -39.4% | Dec 31, 2020 | 10-Q | 2021-02-09 |
| Q3 2020 | $19.6M | +$2.13M | +12.1% | Sep 30, 2020 | 10-Q | 2021-08-13 |
| Q2 2020 | $18.6M | +$1.52M | +8.9% | Jun 30, 2020 | 10-Q | 2020-08-14 |
| Q1 2020 | $20.4M | +$3.62M | +21.5% | Mar 31, 2020 | 10-Q | 2020-05-15 |
| Q4 2019 | $30.8M | +$13.4M | +77.3% | Dec 31, 2019 | 10-Q | 2020-02-13 |
| Q3 2019 | $17.5M | +$85K | +0.49% | Sep 30, 2019 | 10-Q | 2020-08-14 |
| Q2 2019 | $17.1M | +$1.44M | +9.2% | Jun 30, 2019 | 10-Q | 2019-08-14 |
| Q1 2019 | $16.8M | +$1.35M | +8.76% | Mar 31, 2019 | 10-Q | 2019-05-13 |
| Q4 2018 | $17.3M | +$1.12M | +6.88% | Dec 31, 2018 | 10-Q | 2019-02-01 |
| Q3 2018 | $17.4M | -$3.96M | -18.5% | Sep 30, 2018 | 10-Q | 2019-08-14 |
| Q2 2018 | $15.6M | -$2.63M | -14.4% | Jun 30, 2018 | 10-Q | 2018-08-13 |
| Q1 2018 | $15.5M | -$2.78M | -15.2% | Mar 31, 2018 | 10-Q | 2018-05-15 |
| Q4 2017 | $16.2M | -$1.74M | -9.67% | Dec 31, 2017 | 10-Q | 2018-02-09 |
| Q3 2017 | $21.4M | -$982K | -4.39% | Sep 30, 2017 | 10-Q | 2018-08-13 |
| Q2 2017 | $18.3M | -$194K | -1.05% | Jun 30, 2017 | 10-Q | 2017-08-10 |
| Q1 2017 | $18.2M | -$1.31M | -6.7% | Mar 31, 2017 | 10-Q | 2017-05-09 |
| Q4 2016 | $18M | -$867K | -4.6% | Dec 31, 2016 | 10-Q | 2017-02-13 |
| Q3 2016 | $22.4M | +$29K | +0.13% | Sep 30, 2016 | 10-Q | 2017-08-10 |
| Q2 2016 | $18.5M | -$3.63M | -16.4% | Jun 30, 2016 | 10-Q | 2016-08-05 |
| Q1 2016 | $19.5M | -$4.05M | -17.2% | Mar 31, 2016 | 10-Q | 2016-05-09 |
| Q4 2015 | $18.8M | -$8.17M | -30.3% | Dec 31, 2015 | 10-Q | 2016-02-09 |
| Q3 2015 | $22.3M | -$6.09M | -21.4% | Sep 30, 2015 | 10-Q | 2016-08-05 |
| Q2 2015 | $22.1M | Jun 30, 2015 | 10-Q | 2015-08-06 | ||
| Q1 2015 | $23.6M | Mar 31, 2015 | 10-Q | 2015-05-15 | ||
| Q4 2014 | $27M | Dec 31, 2014 | 10-Q | 2015-02-05 | ||
| Q3 2014 | $28.4M | Sep 30, 2014 | 10-Q | 2015-08-06 |