| Period | Value | YoY Chg | Change % | Date | Report | Filed |
|---|---|---|---|---|---|---|
| Q4 2022 | $7K | -$61K | -89.7% | Dec 31, 2022 | 10-K | 2023-03-31 |
| Q3 2022 | $20K | -$44K | -68.8% | Sep 30, 2022 | 10-Q | 2022-11-14 |
| Q2 2022 | $33K | -$45K | -57.7% | Jun 30, 2022 | 10-Q | 2022-08-12 |
| Q1 2022 | $55K | -$23K | -29.5% | Mar 31, 2022 | 10-Q | 2022-05-13 |
| Q4 2021 | $68K | -$27K | -28.4% | Dec 31, 2021 | 10-K | 2023-03-31 |
| Q3 2021 | $64K | -$44K | -40.7% | Sep 30, 2021 | 10-Q | 2021-11-15 |
| Q2 2021 | $78K | -$183K | -70.1% | Jun 30, 2021 | 10-Q | 2021-08-13 |
| Q1 2021 | $78K | -$237K | -75.2% | Mar 31, 2021 | 10-Q | 2021-05-14 |
| Q4 2020 | $95K | -$241K | -71.7% | Dec 31, 2020 | 10-K | 2022-03-31 |
| Q3 2020 | $108K | -$255K | -70.2% | Sep 30, 2020 | 10-Q | 2020-11-13 |
| Q2 2020 | $261K | -$147K | -36% | Jun 30, 2020 | 10-Q | 2020-08-14 |
| Q1 2020 | $315K | -$131K | -29.4% | Mar 31, 2020 | 10-Q | 2020-06-29 |
| Q4 2019 | $336K | -$217K | -39.2% | Dec 31, 2019 | 10-K | 2021-03-31 |
| Q3 2019 | $363K | -$272K | -42.8% | Sep 30, 2019 | 10-Q | 2019-11-12 |
| Q2 2019 | $408K | -$268K | -39.6% | Jun 30, 2019 | 10-Q | 2019-08-14 |
| Q1 2019 | $446K | -$282K | -38.7% | Mar 31, 2019 | 10-Q | 2019-05-15 |
| Q4 2018 | $553K | -$235K | -29.8% | Dec 31, 2018 | 10-K | 2020-03-12 |
| Q3 2018 | $635K | -$172K | -21.3% | Sep 30, 2018 | 10-Q | 2018-11-09 |
| Q2 2018 | $676K | -$144K | -17.6% | Jun 30, 2018 | 10-Q | 2018-08-20 |
| Q1 2018 | $728K | -$222K | -23.4% | Mar 31, 2018 | 10-Q | 2018-08-20 |
| Q4 2017 | $788K | -$226K | -22.3% | Dec 31, 2017 | 10-K | 2019-02-25 |
| Q3 2017 | $807K | -$280K | -25.8% | Sep 30, 2017 | 10-Q | 2017-11-13 |
| Q2 2017 | $820K | -$308K | -27.3% | Jun 30, 2017 | 10-Q | 2017-08-14 |
| Q1 2017 | $950K | +$110K | +13.1% | Mar 31, 2017 | 10-Q | 2017-05-15 |
| Q4 2016 | $1.01M | +$147K | +17% | Dec 31, 2016 | 10-K | 2018-03-23 |
| Q3 2016 | $1.09M | +$196K | +22% | Sep 30, 2016 | 10-Q | 2016-11-09 |
| Q2 2016 | $1.13M | +$186K | +19.7% | Jun 30, 2016 | 10-Q | 2016-08-15 |
| Q1 2016 | $840K | -$154K | -15.5% | Mar 31, 2016 | 10-Q | 2016-05-12 |
| Q4 2015 | $867K | -$161K | -15.7% | Dec 31, 2015 | 10-K | 2017-03-31 |
| Q3 2015 | $891K | -$157K | -15% | Sep 30, 2015 | 10-Q | 2015-11-13 |
| Q2 2015 | $942K | -$258K | -21.5% | Jun 30, 2015 | 10-Q | 2015-08-14 |
| Q1 2015 | $994K | -$245K | -19.8% | Mar 31, 2015 | 10-Q | 2015-05-15 |
| Q4 2014 | $1.03M | -$243K | -19.1% | Dec 31, 2014 | 10-K | 2016-03-22 |
| Q3 2014 | $1.05M | -$241K | -18.7% | Sep 30, 2014 | 10-Q | 2014-11-14 |
| Q2 2014 | $1.2M | -$106K | -8.12% | Jun 30, 2014 | 10-Q | 2014-08-14 |
| Q1 2014 | $1.24M | -$104K | -7.74% | Mar 31, 2014 | 10-Q | 2014-05-14 |
| Q4 2013 | $1.27M | -$104K | -7.56% | Dec 31, 2013 | 10-K | 2015-03-31 |
| Q3 2013 | $1.29M | -$101K | -7.27% | Sep 30, 2013 | 10-Q | 2013-11-14 |
| Q2 2013 | $1.31M | -$102K | -7.24% | Jun 30, 2013 | 10-Q | 2013-08-14 |
| Q1 2013 | $1.34M | -$96K | -6.67% | Mar 31, 2013 | 10-Q | 2013-05-14 |
| Q4 2012 | $1.38M | -$94K | -6.4% | Dec 31, 2012 | 10-K | 2014-03-31 |
| Q3 2012 | $1.39M | -$91K | -6.14% | Sep 30, 2012 | 10-Q | 2012-11-14 |
| Q2 2012 | $1.41M | -$91K | -6.07% | Jun 30, 2012 | 10-Q | 2012-08-13 |
| Q1 2012 | $1.44M | Mar 31, 2012 | 10-Q | 2012-05-14 | ||
| Q4 2011 | $1.47M | -$70K | -4.55% | Dec 31, 2011 | 10-K | 2013-03-29 |
| Q3 2011 | $1.48M | Sep 30, 2011 | 10-Q | 2011-11-14 | ||
| Q2 2011 | $1.5M | Jun 30, 2011 | 10-Q | 2011-08-12 | ||
| Q4 2010 | $1.54M | Dec 31, 2010 | 10-K | 2012-03-30 |