| Period | Value | YoY Chg | Change % | Date | Report | Filed |
|---|---|---|---|---|---|---|
| Q1 2023 | $2.2M | -$1.84M | -45.5% | Mar 31, 2023 | 10-Q | 2023-05-10 |
| Q4 2022 | $2.3M | -$1.84M | -44.4% | Dec 31, 2022 | 10-Q | 2023-02-10 |
| Q3 2022 | $3.84M | -$318K | -7.66% | Sep 30, 2022 | 10-Q | 2023-05-10 |
| Q2 2022 | $4.02M | -$138K | -3.32% | Jun 30, 2022 | 10-Q | 2022-08-12 |
| Q1 2022 | $4.03M | -$106K | -2.56% | Mar 31, 2022 | 10-Q | 2022-05-06 |
| Q4 2021 | $4.15M | -$107K | -2.52% | Dec 31, 2021 | 10-Q | 2022-02-14 |
| Q3 2021 | $4.15M | -$101K | -2.37% | Sep 30, 2021 | 10-K | 2022-12-09 |
| Q2 2021 | $4.16M | -$138K | -3.21% | Jun 30, 2021 | 10-Q | 2021-08-13 |
| Q1 2021 | $4.14M | -$456K | -9.93% | Mar 31, 2021 | 10-Q | 2021-05-07 |
| Q4 2020 | $4.25M | -$196K | -4.41% | Dec 31, 2020 | 10-Q | 2021-02-12 |
| Q3 2020 | $4.26M | +$383K | +9.89% | Sep 30, 2020 | 10-K | 2021-12-23 |
| Q2 2020 | $4.3M | +$1.32M | +44.1% | Jun 30, 2020 | 10-Q | 2020-08-07 |
| Q1 2020 | $4.59M | +$1.61M | +54% | Mar 31, 2020 | 10-Q | 2020-05-22 |
| Q4 2019 | $4.45M | -$952K | -17.6% | Dec 31, 2019 | 10-Q | 2020-02-07 |
| Q3 2019 | $3.87M | -$1.52M | -28.2% | Sep 30, 2019 | 10-K | 2020-12-11 |
| Q2 2019 | $2.98M | -$2.72M | -47.7% | Jun 30, 2019 | 10-Q | 2019-08-07 |
| Q1 2019 | $2.98M | -$2.72M | -47.7% | Mar 31, 2019 | 10-Q | 2019-05-09 |
| Q4 2018 | $5.4M | -$300K | -5.26% | Dec 31, 2018 | 10-Q | 2019-02-14 |
| Q3 2018 | $5.39M | -$311K | -5.46% | Sep 30, 2018 | 10-K | 2019-12-20 |
| Q2 2018 | $5.7M | -$425K | -6.94% | Jun 30, 2018 | 10-Q | 2018-08-08 |
| Q1 2018 | $5.7M | -$450K | -7.32% | Mar 31, 2018 | 10-Q | 2018-05-09 |
| Q4 2017 | $5.7M | -$475K | -7.69% | Dec 31, 2017 | 10-Q | 2018-02-08 |
| Q3 2017 | $5.7M | -$500K | -8.07% | Sep 30, 2017 | 10-K | 2018-12-14 |
| Q2 2017 | $6.13M | $0 | 0% | Jun 30, 2017 | 10-Q | 2017-08-03 |
| Q1 2017 | $6.15M | $0 | 0% | Mar 31, 2017 | 10-Q | 2017-05-10 |
| Q4 2016 | $6.18M | +$360K | +6.19% | Dec 31, 2016 | 10-Q | 2017-02-08 |
| Q3 2016 | $6.2M | +$360K | +6.16% | Sep 30, 2016 | 10-K | 2018-04-03 |
| Q2 2016 | $6.13M | +$600K | +10.9% | Jun 30, 2016 | 10-Q | 2016-08-03 |
| Q1 2016 | $6.15M | +$4.4M | +251% | Mar 31, 2016 | 10-Q | 2016-05-12 |
| Q4 2015 | $5.82M | +$5.54M | +2015% | Dec 31, 2015 | 10-Q | 2016-02-10 |
| Q3 2015 | $5.84M | +$5.54M | +1847% | Sep 30, 2015 | 10-K | 2016-12-16 |
| Q2 2015 | $5.53M | +$5.2M | +1600% | Jun 30, 2015 | 10-Q | 2015-08-12 |
| Q1 2015 | $1.75M | +$1.4M | +400% | Mar 31, 2015 | 10-Q | 2015-05-06 |
| Q4 2014 | $275K | -$100K | -26.7% | Dec 31, 2014 | 10-Q | 2015-02-11 |
| Q3 2014 | $300K | -$100K | -25% | Sep 30, 2014 | 10-K | 2015-12-02 |
| Q2 2014 | $325K | -$100K | -23.5% | Jun 30, 2014 | 10-Q | 2014-08-13 |
| Q1 2014 | $350K | -$100K | -22.2% | Mar 31, 2014 | 10-Q | 2014-05-06 |
| Q4 2013 | $375K | -$100K | -21.1% | Dec 31, 2013 | 10-Q | 2014-02-06 |
| Q3 2013 | $400K | -$100K | -20% | Sep 30, 2013 | 10-K | 2014-12-04 |
| Q2 2013 | $425K | -$100K | -19.1% | Jun 30, 2013 | 10-Q | 2013-08-14 |
| Q1 2013 | $450K | -$100K | -18.2% | Mar 31, 2013 | 10-Q | 2013-05-15 |
| Q4 2012 | $475K | -$100K | -17.4% | Dec 31, 2012 | 10-Q | 2013-02-14 |
| Q3 2012 | $500K | -$100K | -16.7% | Sep 30, 2012 | 10-K | 2013-11-19 |
| Q2 2012 | $525K | -$100K | -16% | Jun 30, 2012 | 10-Q | 2012-08-14 |
| Q1 2012 | $550K | -$100K | -15.4% | Mar 31, 2012 | 10-Q | 2012-05-01 |
| Q4 2011 | $575K | -$100K | -14.8% | Dec 31, 2011 | 10-Q | 2012-01-30 |
| Q3 2011 | $600K | -$100K | -14.3% | Sep 30, 2011 | 10-K | 2012-12-19 |
| Q2 2011 | $625K | Jun 30, 2011 | 10-Q | 2011-08-05 | ||
| Q1 2011 | $650K | Mar 31, 2011 | 10-Q | 2011-05-09 | ||
| Q4 2010 | $675K | Dec 31, 2010 | 10-Q/A | 2011-02-09 | ||
| Q3 2010 | $700K | Sep 30, 2010 | 10-K | 2011-11-22 |