| Period | Value | YoY Chg | Change % | Date | Report | Filed |
|---|---|---|---|---|---|---|
| Q4 2023 | $0 | $0 | Dec 31, 2023 | 10-K | 2024-02-22 | |
| Q4 2022 | $0 | -$100K | -100% | Dec 31, 2022 | 10-K | 2024-02-22 |
| Q4 2021 | $100K | -$1M | -90.9% | Dec 31, 2021 | 10-K | 2024-02-22 |
| Q4 2020 | $1.1M | -$2.6M | -70.3% | Dec 31, 2020 | 10-K | 2024-02-22 |
| Q4 2019 | $3.7M | -$400K | -9.76% | Dec 31, 2019 | 10-K | 2023-02-23 |
| Q4 2018 | $4.1M | +$1.38M | +50.6% | Dec 31, 2018 | 10-K | 2022-02-24 |
| Q4 2017 | $2.72M | -$1.05M | -27.9% | Dec 31, 2017 | 10-K | 2021-02-25 |
| Q4 2016 | $3.78M | -$3.45M | -47.8% | Dec 31, 2016 | 10-K | 2020-02-21 |
| Q4 2015 | $7.23M | +$3.61M | +99.7% | Dec 31, 2015 | 10-K | 2019-02-28 |
| Q4 2014 | $3.62M | -$1.51M | -29.4% | Dec 31, 2014 | 10-K | 2018-02-22 |
| Q4 2013 | $5.12M | -$1.38M | -21.2% | Dec 31, 2013 | 10-K | 2017-02-23 |
| Q4 2012 | $6.51M | +$958K | +17.3% | Dec 31, 2012 | 10-K | 2016-02-19 |
| Q4 2011 | $5.55M | -$892K | -13.9% | Dec 31, 2011 | 10-K | 2015-02-23 |
| Q4 2010 | $6.44M | Dec 31, 2010 | 10-K | 2014-02-13 |