| Period | Value | YoY Chg | Change % | Date | Report | Filed |
|---|---|---|---|---|---|---|
| Q3 2022 | $0 | $0 | Sep 30, 2022 | 10-K | 2022-12-06 | |
| Q2 2022 | $0 | $0 | Jun 30, 2022 | 10-Q | 2022-08-03 | |
| Q1 2022 | $0 | $0 | Mar 31, 2022 | 10-Q | 2022-05-04 | |
| Q4 2021 | $0 | $0 | Dec 31, 2021 | 10-Q | 2022-02-09 | |
| Q3 2021 | $0 | -$400K | -100% | Sep 30, 2021 | 10-K | 2022-12-06 |
| Q2 2021 | $0 | -$400K | -100% | Jun 30, 2021 | 10-Q | 2021-08-04 |
| Q1 2021 | $0 | -$400K | -100% | Mar 31, 2021 | 10-Q | 2021-05-05 |
| Q4 2020 | $0 | -$400K | -100% | Dec 31, 2020 | 10-Q | 2021-02-03 |
| Q3 2020 | $400K | -$400K | -50% | Sep 30, 2020 | 10-K | 2021-12-08 |
| Q2 2020 | $400K | -$400K | -50% | Jun 30, 2020 | 10-Q | 2020-08-05 |
| Q1 2020 | $400K | -$400K | -50% | Mar 31, 2020 | 10-Q | 2020-05-06 |
| Q4 2019 | $400K | -$400K | -50% | Dec 31, 2019 | 10-Q | 2020-02-05 |
| Q3 2019 | $800K | -$400K | -33.3% | Sep 30, 2019 | 10-K | 2020-12-09 |
| Q2 2019 | $800K | -$400K | -33.3% | Jun 30, 2019 | 10-Q | 2019-08-07 |
| Q1 2019 | $800K | -$400K | -33.3% | Mar 31, 2019 | 10-Q | 2019-05-08 |
| Q4 2018 | $800K | -$400K | -33.3% | Dec 31, 2018 | 10-Q | 2019-02-06 |
| Q3 2018 | $1.2M | -$400K | -25% | Sep 30, 2018 | 10-K | 2019-12-05 |
| Q2 2018 | $1.2M | -$400K | -25% | Jun 30, 2018 | 10-Q | 2018-08-08 |
| Q1 2018 | $1.2M | -$400K | -25% | Mar 31, 2018 | 10-Q | 2018-05-09 |
| Q4 2017 | $1.2M | -$400K | -25% | Dec 31, 2017 | 10-Q | 2018-02-07 |
| Q3 2017 | $1.6M | -$400K | -20% | Sep 30, 2017 | 10-K | 2018-12-12 |
| Q2 2017 | $1.6M | -$400K | -20% | Jun 30, 2017 | 10-Q | 2017-08-09 |
| Q1 2017 | $1.6M | -$400K | -20% | Mar 31, 2017 | 10-Q | 2017-05-03 |
| Q4 2016 | $1.6M | -$400K | -20% | Dec 31, 2016 | 10-Q | 2017-02-08 |
| Q3 2016 | $2M | -$400K | -16.7% | Sep 30, 2016 | 10-K | 2017-12-06 |
| Q2 2016 | $2M | -$400K | -16.7% | Jun 30, 2016 | 10-Q | 2016-08-03 |
| Q1 2016 | $2M | -$400K | -16.7% | Mar 31, 2016 | 10-Q | 2016-05-04 |
| Q4 2015 | $2M | -$400K | -16.7% | Dec 31, 2015 | 10-Q | 2016-02-03 |
| Q3 2015 | $2.4M | -$400K | -14.3% | Sep 30, 2015 | 10-K | 2016-12-07 |
| Q2 2015 | $2.4M | -$400K | -14.3% | Jun 30, 2015 | 10-Q | 2015-08-05 |
| Q1 2015 | $2.4M | -$400K | -14.3% | Mar 31, 2015 | 10-Q | 2015-05-06 |
| Q4 2014 | $2.4M | -$400K | -14.3% | Dec 31, 2014 | 10-Q | 2015-02-04 |
| Q3 2014 | $2.8M | -$400K | -12.5% | Sep 30, 2014 | 10-K | 2015-12-02 |
| Q2 2014 | $2.8M | -$400K | -12.5% | Jun 30, 2014 | 10-Q | 2014-08-06 |
| Q1 2014 | $2.8M | -$400K | -12.5% | Mar 31, 2014 | 10-Q | 2014-05-07 |
| Q4 2013 | $2.8M | -$400K | -12.5% | Dec 31, 2013 | 10-Q | 2014-02-05 |
| Q3 2013 | $3.2M | -$430K | -11.8% | Sep 30, 2013 | 10-K | 2014-12-03 |
| Q2 2013 | $3.2M | -$446K | -12.2% | Jun 30, 2013 | 10-Q | 2013-08-07 |
| Q1 2013 | $3.2M | -$512K | -13.8% | Mar 31, 2013 | 10-Q | 2013-05-08 |
| Q4 2012 | $3.2M | -$603K | -15.9% | Dec 31, 2012 | 10-Q | 2013-02-06 |
| Q3 2012 | $3.63M | -$671K | -15.6% | Sep 30, 2012 | 10-K | 2013-12-04 |
| Q2 2012 | $3.65M | -$741K | -16.9% | Jun 30, 2012 | 10-Q | 2012-08-08 |
| Q1 2012 | $3.71M | Mar 31, 2012 | 10-Q | 2012-05-09 | ||
| Q4 2011 | $3.8M | Dec 31, 2011 | 10-Q | 2012-02-08 | ||
| Q3 2011 | $4.3M | -$901K | -17.3% | Sep 30, 2011 | 10-K | 2012-12-05 |
| Q2 2011 | $4.39M | Jun 30, 2011 | 10-Q/A | 2011-12-09 | ||
| Q3 2010 | $5.2M | Sep 30, 2010 | 10-K | 2011-12-12 |