| Period | Value | YoY Chg | Change % | Date | Report | Filed |
|---|---|---|---|---|---|---|
| Q1 2023 | $3.73M | -$2.85M | -43.3% | Mar 31, 2023 | 10-Q | 2023-05-15 |
| Q4 2022 | $3.92M | -$4.77M | -54.9% | Dec 31, 2022 | 10-Q | 2023-05-15 |
| Q3 2022 | $3.94M | -$4.64M | -54.1% | Sep 30, 2022 | 10-Q | 2022-11-14 |
| Q2 2022 | $8.59M | -$53.5K | -0.62% | Jun 30, 2022 | 10-Q | 2022-08-11 |
| Q1 2022 | $6.58M | -$2.43M | -27% | Mar 31, 2022 | 10-Q | 2022-05-13 |
| Q4 2021 | $8.69M | -$403K | -4.44% | Dec 31, 2021 | 10-K | 2023-03-31 |
| Q3 2021 | $8.59M | -$696K | -7.5% | Sep 30, 2021 | 10-Q | 2021-11-12 |
| Q2 2021 | $8.64M | -$734K | -7.83% | Jun 30, 2021 | 10-Q | 2021-08-11 |
| Q1 2021 | $9.02M | -$420K | -4.45% | Mar 31, 2021 | 10-Q | 2021-05-14 |
| Q4 2020 | $9.09M | -$452K | -4.74% | Dec 31, 2020 | 10-K | 2022-03-31 |
| Q3 2020 | $9.28M | -$364K | -3.78% | Sep 30, 2020 | 10-Q | 2020-11-12 |
| Q2 2020 | $9.38M | -$633K | -6.32% | Jun 30, 2020 | 10-Q | 2020-08-14 |
| Q1 2020 | $9.44M | -$627K | -6.23% | Mar 31, 2020 | 10-Q | 2020-05-15 |
| Q4 2019 | $9.55M | -$1.23M | -11.4% | Dec 31, 2019 | 10-K | 2021-03-30 |
| Q3 2019 | $9.65M | -$2.08M | -17.8% | Sep 30, 2019 | 10-Q | 2019-11-14 |
| Q2 2019 | $10M | -$1.91M | -16% | Jun 30, 2019 | 10-Q | 2019-08-14 |
| Q1 2019 | $10.1M | -$1.96M | -16.3% | Mar 31, 2019 | 10-Q | 2019-05-14 |
| Q4 2018 | $10.8M | -$1.33M | -11% | Dec 31, 2018 | 10-K | 2020-03-30 |
| Q3 2018 | $11.7M | -$527K | -4.3% | Sep 30, 2018 | 10-Q | 2018-11-14 |
| Q2 2018 | $11.9M | -$442K | -3.58% | Jun 30, 2018 | 10-Q | 2018-08-13 |
| Q1 2018 | $12M | -$511K | -4.08% | Mar 31, 2018 | 10-Q | 2018-05-14 |
| Q4 2017 | $12.1M | -$489K | -3.88% | Dec 31, 2017 | 10-K | 2019-03-29 |
| Q3 2017 | $12.3M | -$504K | -3.95% | Sep 30, 2017 | 10-Q | 2017-11-13 |
| Q2 2017 | $12.4M | -$591K | -4.57% | Jun 30, 2017 | 10-Q | 2017-08-11 |
| Q1 2017 | $12.5M | -$605K | -4.6% | Mar 31, 2017 | 10-Q | 2017-05-12 |
| Q4 2016 | $12.6M | -$382K | -2.94% | Dec 31, 2016 | 10-K | 2018-03-30 |
| Q3 2016 | $12.8M | -$800K | -5.9% | Sep 30, 2016 | 10-Q | 2016-11-10 |
| Q2 2016 | $12.9M | -$762K | -5.56% | Jun 30, 2016 | 10-Q | 2016-08-12 |
| Q1 2016 | $13.1M | -$498K | -3.65% | Mar 31, 2016 | 10-Q | 2016-05-12 |
| Q4 2015 | $13M | -$993K | -7.11% | Dec 31, 2015 | 10-K | 2017-03-30 |
| Q3 2015 | $13.6M | +$97.3K | +0.72% | Sep 30, 2015 | 10-Q | 2015-11-12 |
| Q2 2015 | $13.7M | +$789K | +6.1% | Jun 30, 2015 | 10-Q | 2015-08-13 |
| Q1 2015 | $13.6M | +$617K | +4.73% | Mar 31, 2015 | 10-Q | 2015-05-14 |
| Q4 2014 | $14M | +$876K | +6.69% | Dec 31, 2014 | 10-K | 2016-03-30 |
| Q3 2014 | $13.5M | +$247K | +1.87% | Sep 30, 2014 | 10-Q | 2014-11-12 |
| Q2 2014 | $12.9M | -$375K | -2.82% | Jun 30, 2014 | 10-Q | 2014-08-13 |
| Q1 2014 | $13M | -$447K | -3.32% | Mar 31, 2014 | 10-Q | 2014-05-14 |
| Q4 2013 | $13.1M | -$443K | -3.27% | Dec 31, 2013 | 10-K | 2015-03-30 |
| Q3 2013 | $13.2M | -$566K | -4.11% | Sep 30, 2013 | 10-Q | 2013-11-14 |
| Q2 2013 | $13.3M | -$624K | -4.48% | Jun 30, 2013 | 10-Q | 2013-08-15 |
| Q1 2013 | $13.5M | -$776K | -5.45% | Mar 31, 2013 | 10-Q | 2013-05-14 |
| Q4 2012 | $13.5M | -$397K | -2.85% | Dec 31, 2012 | 10-K | 2014-03-31 |
| Q3 2012 | $13.8M | -$277K | -1.97% | Sep 30, 2012 | 10-Q | 2012-11-14 |
| Q2 2012 | $13.9M | -$217K | -1.53% | Jun 30, 2012 | 10-Q | 2012-08-13 |
| Q1 2012 | $14.2M | Mar 31, 2012 | 10-Q | 2012-05-14 | ||
| Q4 2011 | $13.9M | -$356K | -2.49% | Dec 31, 2011 | 10-K | 2013-04-01 |
| Q3 2011 | $14.1M | Sep 30, 2011 | 10-Q | 2011-11-14 | ||
| Q2 2011 | $14.1M | Jun 30, 2011 | 10-Q | 2011-08-12 | ||
| Q4 2010 | $14.3M | Dec 31, 2010 | 10-K | 2012-03-30 |