| Period | Value | YoY Chg | Change % | Date | Report | Filed |
|---|---|---|---|---|---|---|
| Q4 2023 | $0 | $0 | Dec 31, 2023 | 10-K | 2024-02-29 | |
| Q4 2022 | $0 | $0 | Dec 31, 2022 | 10-K | 2024-02-29 | |
| Q4 2021 | $0 | $0 | Dec 31, 2021 | 10-K | 2024-02-29 | |
| Q3 2021 | $0 | $0 | Sep 30, 2021 | 10-Q | 2021-11-05 | |
| Q2 2021 | $0 | $0 | Jun 30, 2021 | 10-Q | 2021-08-06 | |
| Q1 2021 | $0 | $0 | Mar 31, 2021 | 10-Q | 2021-05-07 | |
| Q4 2020 | $0 | -$1M | -100% | Dec 31, 2020 | 10-K | 2023-02-27 |
| Q3 2020 | $0 | -$1M | -100% | Sep 30, 2020 | 10-Q | 2020-11-05 |
| Q2 2020 | $0 | -$1M | -100% | Jun 30, 2020 | 10-Q | 2020-08-06 |
| Q1 2020 | $0 | -$1M | -100% | Mar 31, 2020 | 10-Q | 2020-05-08 |
| Q4 2019 | $1M | $0 | 0% | Dec 31, 2019 | 10-K | 2022-02-28 |
| Q3 2019 | $1M | $0 | 0% | Sep 30, 2019 | 10-Q | 2019-11-07 |
| Q2 2019 | $1M | $0 | 0% | Jun 30, 2019 | 10-Q | 2019-08-08 |
| Q1 2019 | $1M | $0 | 0% | Mar 31, 2019 | 10-Q | 2019-05-09 |
| Q4 2018 | $1M | +$6K | +0.6% | Dec 31, 2018 | 10-K | 2021-03-05 |
| Q3 2018 | $1M | -$500K | -33.3% | Sep 30, 2018 | 10-Q | 2018-11-08 |
| Q2 2018 | $1M | -$400K | -28.6% | Jun 30, 2018 | 10-Q | 2018-08-09 |
| Q1 2018 | $1M | -$400K | -28.6% | Mar 31, 2018 | 10-Q | 2018-05-09 |
| Q4 2017 | $994K | -$439K | -30.6% | Dec 31, 2017 | 10-K | 2020-03-06 |
| Q3 2017 | $1.5M | -$100K | -6.25% | Sep 30, 2017 | 10-Q | 2017-11-08 |
| Q2 2017 | $1.4M | +$600K | +75% | Jun 30, 2017 | 10-Q | 2017-08-09 |
| Q1 2017 | $1.4M | Mar 31, 2017 | 10-Q | 2017-05-09 | ||
| Q4 2016 | $1.43M | +$1.29M | +868% | Dec 31, 2016 | 10-K | 2020-03-06 |
| Q3 2016 | $1.6M | Sep 30, 2016 | 10-Q | 2016-11-07 | ||
| Q2 2016 | $800K | Jun 30, 2016 | 10-Q | 2016-08-08 | ||
| Q4 2015 | $148K | +$148K | Dec 31, 2015 | 10-K | 2019-03-08 | |
| Q4 2014 | $0 | $0 | Dec 31, 2014 | 10-K | 2016-02-29 | |
| Q4 2013 | $0 | $0 | Dec 31, 2013 | 8-K | 2015-03-03 | |
| Q4 2012 | $0 | Dec 31, 2012 | 8-K | 2015-03-03 |