| Period | Value | YoY Chg | Change % | Date | Report | Filed |
|---|---|---|---|---|---|---|
| Q4 2023 | $1.83M | +$1.83M | Dec 31, 2023 | 10-K | 2024-03-27 | |
| Q4 2022 | $0 | $0 | Dec 31, 2022 | 10-K | 2024-03-27 | |
| Q4 2021 | $0 | -$2.96M | -100% | Dec 31, 2021 | 10-K | 2024-03-27 |
| Q4 2020 | $2.96M | +$1.08M | +57.9% | Dec 31, 2020 | 10-K | 2023-03-30 |
| Q4 2019 | $1.87M | +$298K | +18.9% | Dec 31, 2019 | 10-K | 2022-03-31 |
| Q4 2018 | $1.57M | +$98K | +6.64% | Dec 31, 2018 | 10-K | 2021-03-04 |
| Q4 2017 | $1.48M | -$64K | -4.16% | Dec 31, 2017 | 10-K | 2020-02-20 |
| Q4 2016 | $1.54M | +$225K | +17.1% | Dec 31, 2016 | 10-K | 2019-03-08 |
| Q4 2015 | $1.31M | -$1.26M | -48.9% | Dec 31, 2015 | 10-K | 2018-03-19 |
| Q4 2014 | $2.57M | +$53K | +2.11% | Dec 31, 2014 | 10-K | 2017-03-08 |
| Q4 2013 | $2.52M | +$108K | +4.48% | Dec 31, 2013 | 10-K | 2016-03-09 |
| Q4 2012 | $2.41M | +$935K | +63.4% | Dec 31, 2012 | 8-K/A | 2015-10-23 |
| Q3 2012 | $7.53M | Sep 30, 2012 | 10-Q | 2012-11-08 | ||
| Q2 2012 | $7.53M | Jun 30, 2012 | 10-Q | 2012-08-09 | ||
| Q4 2011 | $1.47M | $0 | 0% | Dec 31, 2011 | 10-K | 2015-03-16 |
| Q4 2010 | $1.47M | Dec 31, 2010 | 10-K | 2014-03-14 |