| Period | Value | YoY Chg | Change % | Date | Report | Filed |
|---|---|---|---|---|---|---|
| Q4 2023 | $3.13M | -$6.71M | -68.2% | Dec 31, 2023 | 10-K | 2024-02-22 |
| Q4 2022 | $9.84M | -$5.25M | -34.8% | Dec 31, 2022 | 10-K | 2024-02-22 |
| Q4 2021 | $15.1M | -$1.23M | -7.53% | Dec 31, 2021 | 10-K | 2024-02-22 |
| Q4 2020 | $16.3M | +$9.49M | +139% | Dec 31, 2020 | 10-K | 2024-02-22 |
| Q4 2019 | $6.83M | +$2.11M | +44.8% | Dec 31, 2019 | 10-K | 2023-02-22 |
| Q4 2018 | $4.72M | +$2.07M | +78% | Dec 31, 2018 | 10-K | 2022-02-23 |
| Q4 2017 | $2.65M | +$2.62M | +9038% | Dec 31, 2017 | 10-K | 2021-02-19 |
| Q4 2016 | $29K | -$236K | -89.1% | Dec 31, 2016 | 10-K | 2020-02-18 |
| Q4 2015 | $265K | $0 | 0% | Dec 31, 2015 | 10-K/A | 2019-03-18 |
| Q4 2014 | $265K | $0 | 0% | Dec 31, 2014 | 10-K/A | 2018-02-23 |
| Q4 2013 | $265K | +$216K | +441% | Dec 31, 2013 | 10-K | 2017-02-21 |
| Q4 2012 | $49K | -$3.6M | -98.7% | Dec 31, 2012 | 10-K | 2016-02-25 |
| Q4 2011 | $3.65M | +$318K | +9.55% | Dec 31, 2011 | 10-K | 2015-02-25 |
| Q4 2010 | $3.33M | Dec 31, 2010 | 10-K | 2014-02-24 |