| Period | Value | YoY Chg | Change % | Date | Report | Filed |
|---|---|---|---|---|---|---|
| Q4 2023 | $2.4M | +$2.4M | Dec 31, 2023 | 10-K | 2024-02-15 | |
| Q4 2022 | $0 | $0 | Dec 31, 2022 | 10-K | 2024-02-15 | |
| Q4 2021 | $0 | -$537K | -100% | Dec 31, 2021 | 10-K | 2022-02-17 |
| Q4 2020 | $537K | -$416K | -43.7% | Dec 31, 2020 | 10-K | 2022-02-17 |
| Q4 2019 | $953K | -$159K | -14.3% | Dec 31, 2019 | 10-K | 2022-02-17 |
| Q4 2018 | $1.11M | +$66K | +6.31% | Dec 31, 2018 | 10-K/A | 2021-03-31 |
| Q4 2017 | $1.05M | +$126K | +13.7% | Dec 31, 2017 | 10-K | 2020-02-25 |
| Q4 2016 | $920K | +$4K | +0.44% | Dec 31, 2016 | 10-K | 2019-02-28 |
| Q4 2015 | $916K | -$234K | -20.3% | Dec 31, 2015 | 10-K | 2018-02-22 |
| Q4 2014 | $1.15M | -$109K | -8.66% | Dec 31, 2014 | 10-K | 2017-02-23 |
| Q4 2013 | $1.26M | -$146K | -10.4% | Dec 31, 2013 | 10-K | 2016-02-25 |
| Q4 2012 | $1.41M | -$45K | -3.1% | Dec 31, 2012 | 10-K | 2015-02-26 |
| Q4 2011 | $1.45M | +$704K | +94.4% | Dec 31, 2011 | 10-K | 2014-03-04 |
| Q4 2010 | $746K | Dec 31, 2010 | 10-K | 2013-03-05 |