| Period | Value | YoY Chg | Change % | Date | Report | Filed |
|---|---|---|---|---|---|---|
| Q4 2022 | $1.3M | +$1.02M | +353% | Dec 31, 2022 | 10-K | 2023-03-09 |
| Q4 2021 | $288K | +$72K | +33.3% | Dec 31, 2021 | 10-K | 2023-03-09 |
| Q4 2020 | $216K | -$109K | -33.5% | Dec 31, 2020 | 10-K/A | 2022-04-29 |
| Q2 2020 | $0 | Jun 30, 2020 | 10-Q | 2020-08-06 | ||
| Q4 2019 | $325K | -$108K | -24.9% | Dec 31, 2019 | 10-K | 2021-03-11 |
| Q4 2018 | $433K | -$108K | -20% | Dec 31, 2018 | 10-K | 2020-03-12 |
| Q1 2018 | $514K | -$146K | -22.1% | Mar 31, 2018 | 10-Q | 2018-05-10 |
| Q4 2017 | $541K | -$159K | -22.7% | Dec 31, 2017 | 10-K | 2019-03-07 |
| Q3 2017 | $581K | -$184K | -24.1% | Sep 30, 2017 | 10-Q | 2017-11-09 |
| Q2 2017 | $631K | -$198K | -23.9% | Jun 30, 2017 | 10-Q | 2017-08-09 |
| Q1 2017 | $660K | -$234K | -26.2% | Mar 31, 2017 | 10-Q | 2017-05-10 |
| Q4 2016 | $700K | -$259K | -27% | Dec 31, 2016 | 10-K | 2018-03-08 |
| Q3 2016 | $765K | -$259K | -25.3% | Sep 30, 2016 | 10-Q | 2016-11-09 |
| Q2 2016 | $829K | -$259K | -23.8% | Jun 30, 2016 | 10-Q | 2016-08-04 |
| Q1 2016 | $894K | -$259K | -22.5% | Mar 31, 2016 | 10-Q | 2016-05-05 |
| Q4 2015 | $959K | -$259K | -21.3% | Dec 31, 2015 | 10-K | 2017-03-09 |
| Q3 2015 | $1.02M | Sep 30, 2015 | 10-Q | 2015-11-05 | ||
| Q2 2015 | $1.09M | Jun 30, 2015 | 10-Q | 2015-08-06 | ||
| Q1 2015 | $1.15M | Mar 31, 2015 | 10-Q | 2015-05-07 | ||
| Q4 2014 | $1.22M | Dec 31, 2014 | 10-K | 2016-03-10 |