| Period | Value | YoY Chg | Change % | Date | Report | Filed |
|---|---|---|---|---|---|---|
| Q1 2023 | $1.27M | -$51K | -3.85% | Mar 31, 2023 | 10-Q | 2023-05-08 |
| Q4 2022 | $1.29M | -$48.5K | -3.63% | Dec 31, 2022 | 10-K | 2023-03-14 |
| Q3 2022 | $1.3M | -$50.3K | -3.73% | Sep 30, 2022 | 10-Q | 2022-11-10 |
| Q2 2022 | $1.31M | +$7.78K | +0.6% | Jun 30, 2022 | 10-Q | 2022-08-10 |
| Q1 2022 | $1.33M | +$8.42K | +0.64% | Mar 31, 2022 | 10-Q | 2022-05-11 |
| Q4 2021 | $1.34M | +$8.94K | +0.67% | Dec 31, 2021 | 10-K | 2022-03-03 |
| Q3 2021 | $1.35M | +$9.78K | +0.73% | Sep 30, 2021 | 10-Q | 2021-10-29 |
| Q2 2021 | $1.3M | -$47.1K | -3.48% | Jun 30, 2021 | 10-Q | 2021-08-05 |
| Q1 2021 | $1.32M | -$46.6K | -3.42% | Mar 31, 2021 | 10-Q | 2021-05-12 |
| Q4 2020 | $1.33M | -$46K | -3.34% | Dec 31, 2020 | 10-K | 2021-03-31 |
| Q3 2020 | $1.34M | -$45.5K | -3.28% | Sep 30, 2020 | 10-Q | 2020-11-13 |
| Q2 2020 | $1.35M | -$45K | -3.22% | Jun 30, 2020 | 10-Q | 2020-08-13 |
| Q1 2020 | $1.36M | -$44.6K | -3.17% | Mar 31, 2020 | 10-Q | 2020-05-13 |
| Q4 2019 | $1.37M | -$44.3K | -3.12% | Dec 31, 2019 | 10-K | 2020-03-24 |
| Q3 2019 | $1.39M | -$43.8K | -3.07% | Sep 30, 2019 | 10-Q | 2019-11-08 |
| Q2 2019 | $1.4M | -$43.4K | -3.01% | Jun 30, 2019 | 10-Q | 2019-08-12 |
| Q1 2019 | $1.41M | -$43K | -2.96% | Mar 31, 2019 | 10-Q | 2019-05-07 |
| Q4 2018 | $1.42M | -$42.5K | -2.91% | Dec 31, 2018 | 10-K | 2019-03-18 |
| Q3 2018 | $1.43M | -$45.6K | -3.09% | Sep 30, 2018 | 10-Q | 2018-11-08 |
| Q2 2018 | $1.44M | -$41.7K | -2.81% | Jun 30, 2018 | 10-Q | 2018-08-09 |
| Q1 2018 | $1.45M | -$41.3K | -2.77% | Mar 31, 2018 | 10-Q | 2018-05-11 |
| Q4 2017 | $1.46M | -$44.1K | -2.93% | Dec 31, 2017 | 10-K | 2018-03-26 |
| Q3 2017 | $1.48M | -$36.9K | -2.44% | Sep 30, 2017 | 10-Q | 2017-11-14 |
| Q2 2017 | $1.48M | -$40.2K | -2.64% | Jun 30, 2017 | 10-Q | 2017-08-14 |
| Q1 2017 | $1.49M | -$39K | -2.55% | Mar 31, 2017 | 10-Q | 2017-05-12 |
| Q4 2016 | $1.51M | -$34.7K | -2.25% | Dec 31, 2016 | 10-K | 2017-03-27 |
| Q3 2016 | $1.51M | -$37.1K | -2.39% | Sep 30, 2016 | 10-Q | 2016-11-14 |
| Q2 2016 | $1.52M | -$35.9K | -2.3% | Jun 30, 2016 | 10-Q | 2016-08-10 |
| Q1 2016 | $1.53M | -$35.5K | -2.26% | Mar 31, 2016 | 10-Q | 2016-05-12 |
| Q4 2015 | $1.54M | -$35.3K | -2.24% | Dec 31, 2015 | 10-K | 2016-03-22 |
| Q3 2015 | $1.55M | Sep 30, 2015 | 10-Q | 2015-11-12 | ||
| Q2 2015 | $1.56M | Jun 30, 2015 | 10-Q | 2015-08-07 | ||
| Q1 2015 | $1.57M | Mar 31, 2015 | 10-Q | 2015-05-12 | ||
| Q4 2014 | $1.58M | +$1.43M | +955% | Dec 31, 2014 | 10-K | 2015-03-20 |
| Q4 2013 | $149K | -$108K | -42.1% | Dec 31, 2013 | 10-K | 2014-03-18 |
| Q4 2012 | $258K | Dec 31, 2012 | 10-K | 2013-03-15 |