| Period | Value | YoY Chg | Change % | Date | Report | Filed |
|---|---|---|---|---|---|---|
| Q4 2023 | $27.1M | -$1.02M | -3.64% | Dec 31, 2023 | 10-K | 2024-03-14 |
| Q4 2022 | $28.1M | +$10.6M | +60.3% | Dec 31, 2022 | 10-K | 2024-03-14 |
| Q4 2021 | $17.6M | -$662K | -3.63% | Dec 31, 2021 | 10-K | 2023-03-16 |
| Q4 2020 | $18.2M | +$1.2M | +7.05% | Dec 31, 2020 | 10-K | 2022-03-11 |
| Q3 2020 | $15.2M | -$118K | -0.77% | Sep 30, 2020 | 10-Q | 2020-11-05 |
| Q2 2020 | $15.4M | -$1.12M | -6.78% | Jun 30, 2020 | 10-Q | 2020-08-10 |
| Q1 2020 | $17.5M | +$7.91M | +82.9% | Mar 31, 2020 | 10-Q | 2020-05-07 |
| Q4 2019 | $17M | +$6.22M | +57.6% | Dec 31, 2019 | 10-K | 2021-03-15 |
| Q3 2019 | $15.3M | +$6.21M | +68.4% | Sep 30, 2019 | 10-Q | 2019-11-08 |
| Q2 2019 | $16.5M | +$7.9M | +92.1% | Jun 30, 2019 | 10-Q | 2019-08-08 |
| Q1 2019 | $9.54M | +$851K | +9.79% | Mar 31, 2019 | 10-Q | 2019-05-07 |
| Q4 2018 | $10.8M | +$2.39M | +28.5% | Dec 31, 2018 | 10-K | 2020-03-16 |
| Q3 2018 | $9.08M | -$8.59M | -48.6% | Sep 30, 2018 | 10-Q | 2018-11-06 |
| Q2 2018 | $8.57M | -$8.47M | -49.7% | Jun 30, 2018 | 10-Q | 2018-08-07 |
| Q1 2018 | $8.69M | -$8.79M | -50.3% | Mar 31, 2018 | 10-Q | 2018-05-08 |
| Q4 2017 | $8.4M | -$10M | -54.4% | Dec 31, 2017 | 10-K | 2019-03-15 |
| Q3 2017 | $17.7M | +$99K | +0.56% | Sep 30, 2017 | 10-Q | 2017-11-07 |
| Q2 2017 | $17M | +$383K | +2.3% | Jun 30, 2017 | 10-Q | 2017-08-08 |
| Q1 2017 | $17.5M | +$798K | +4.78% | Mar 31, 2017 | 10-Q | 2017-05-09 |
| Q4 2016 | $18.4M | +$993K | +5.69% | Dec 31, 2016 | 10-K | 2018-03-09 |
| Q3 2016 | $17.6M | +$883K | +5.29% | Sep 30, 2016 | 10-Q | 2016-11-07 |
| Q2 2016 | $16.7M | -$609K | -3.53% | Jun 30, 2016 | 10-Q | 2016-08-05 |
| Q1 2016 | $16.7M | -$884K | -5.03% | Mar 31, 2016 | 10-Q | 2016-05-06 |
| Q4 2015 | $17.4M | -$936K | -5.09% | Dec 31, 2015 | 10-K | 2017-03-13 |
| Q3 2015 | $16.7M | -$2.04M | -10.9% | Sep 30, 2015 | 10-Q | 2015-11-06 |
| Q2 2015 | $17.3M | -$2.94M | -14.5% | Jun 30, 2015 | 10-Q | 2015-08-05 |
| Q1 2015 | $17.6M | -$4.36M | -19.9% | Mar 31, 2015 | 10-Q | 2015-05-08 |
| Q4 2014 | $18.4M | -$5.37M | -22.6% | Dec 31, 2014 | 10-K | 2016-03-11 |
| Q3 2014 | $18.7M | -$4.37M | -18.9% | Sep 30, 2014 | 10-Q | 2014-11-07 |
| Q2 2014 | $20.2M | -$3.1M | -13.3% | Jun 30, 2014 | 10-Q | 2014-08-08 |
| Q1 2014 | $21.9M | -$334K | -1.5% | Mar 31, 2014 | 10-Q | 2014-05-09 |
| Q4 2013 | $23.7M | +$1.37M | +6.12% | Dec 31, 2013 | 10-K | 2015-03-12 |
| Q3 2013 | $23.1M | +$1.12M | +5.11% | Sep 30, 2013 | 10-Q | 2013-11-08 |
| Q2 2013 | $23.3M | Jun 30, 2013 | 10-Q | 2013-08-08 | ||
| Q1 2013 | $22.3M | Mar 31, 2013 | 10-Q | 2013-05-09 | ||
| Q4 2012 | $22.4M | -$394K | -1.73% | Dec 31, 2012 | 10-K | 2014-03-14 |
| Q3 2012 | $22M | Sep 30, 2012 | 10-Q | 2012-11-08 | ||
| Q4 2011 | $22.8M | Dec 31, 2011 | 10-K | 2013-03-06 |