| Period | Value | YoY Chg | Change % | Date | Report | Filed |
|---|---|---|---|---|---|---|
| Q3 2022 | $2.39M | -$2.27M | -48.7% | Sep 30, 2022 | 10-Q | 2022-11-14 |
| Q2 2022 | $3.52M | -$1.27M | -26.5% | Jun 30, 2022 | 10-Q | 2022-08-11 |
| Q1 2022 | $3.7M | -$2.15M | -36.7% | Mar 31, 2022 | 10-Q | 2022-05-13 |
| Q4 2021 | $3.48M | -$2.5M | -41.8% | Dec 31, 2021 | 10-Q | 2022-11-14 |
| Q3 2021 | $4.65M | -$966K | -17.2% | Sep 30, 2021 | 10-Q | 2021-11-12 |
| Q2 2021 | $4.79M | -$1M | -17.3% | Jun 30, 2021 | 10-Q | 2021-08-11 |
| Q1 2021 | $5.85M | -$70.8K | -1.2% | Mar 31, 2021 | 10-Q | 2021-05-14 |
| Q4 2020 | $5.98M | -$7.48M | -55.6% | Dec 31, 2020 | 10-K | 2022-03-31 |
| Q3 2020 | $5.62M | -$7.27M | -56.4% | Sep 30, 2020 | 10-Q | 2020-11-12 |
| Q2 2020 | $5.79M | -$5.91M | -50.5% | Jun 30, 2020 | 10-Q | 2020-08-14 |
| Q1 2020 | $5.92M | -$6.25M | -51.3% | Mar 31, 2020 | 10-Q | 2020-05-15 |
| Q4 2019 | $13.5M | +$303K | +2.3% | Dec 31, 2019 | 10-K | 2021-03-30 |
| Q3 2019 | $12.9M | -$1.51M | -10.5% | Sep 30, 2019 | 10-Q | 2019-11-14 |
| Q2 2019 | $11.7M | -$2.91M | -19.9% | Jun 30, 2019 | 10-Q | 2019-08-14 |
| Q1 2019 | $12.2M | -$2.66M | -17.9% | Mar 31, 2019 | 10-Q | 2019-05-14 |
| Q4 2018 | $13.2M | -$1.69M | -11.4% | Dec 31, 2018 | 10-K | 2020-03-30 |
| Q3 2018 | $14.4M | -$704K | -4.66% | Sep 30, 2018 | 10-Q | 2018-11-14 |
| Q2 2018 | $14.6M | -$669K | -4.38% | Jun 30, 2018 | 10-Q | 2018-08-13 |
| Q1 2018 | $14.8M | -$686K | -4.42% | Mar 31, 2018 | 10-Q | 2018-05-14 |
| Q4 2017 | $14.8M | -$733K | -4.71% | Dec 31, 2017 | 10-K | 2019-03-29 |
| Q3 2017 | $15.1M | -$700K | -4.43% | Sep 30, 2017 | 10-Q | 2017-11-13 |
| Q2 2017 | $15.3M | -$690K | -4.32% | Jun 30, 2017 | 10-Q | 2017-08-11 |
| Q1 2017 | $15.5M | -$710K | -4.38% | Mar 31, 2017 | 10-Q | 2017-05-12 |
| Q4 2016 | $15.6M | -$749K | -4.59% | Dec 31, 2016 | 10-K | 2018-03-30 |
| Q3 2016 | $15.8M | -$883K | -5.29% | Sep 30, 2016 | 10-Q | 2016-11-10 |
| Q2 2016 | $16M | -$933K | -5.52% | Jun 30, 2016 | 10-Q | 2016-08-12 |
| Q1 2016 | $16.2M | -$856K | -5.01% | Mar 31, 2016 | 10-Q | 2016-05-12 |
| Q4 2015 | $16.3M | -$866K | -5.04% | Dec 31, 2015 | 10-K | 2017-03-30 |
| Q3 2015 | $16.7M | -$787K | -4.5% | Sep 30, 2015 | 10-Q | 2015-11-12 |
| Q2 2015 | $16.9M | -$705K | -4% | Jun 30, 2015 | 10-Q | 2015-08-13 |
| Q1 2015 | $17.1M | -$646K | -3.64% | Mar 31, 2015 | 10-Q | 2015-05-14 |
| Q4 2014 | $17.2M | -$685K | -3.83% | Dec 31, 2014 | 10-K | 2016-03-30 |
| Q3 2014 | $17.5M | -$291K | -1.64% | Sep 30, 2014 | 10-Q | 2014-11-12 |
| Q2 2014 | $17.6M | -$139K | -0.79% | Jun 30, 2014 | 10-Q | 2014-08-13 |
| Q1 2014 | $17.7M | -$200K | -1.12% | Mar 31, 2014 | 10-Q | 2014-05-14 |
| Q4 2013 | $17.9M | -$458K | -2.5% | Dec 31, 2013 | 10-K | 2015-03-30 |
| Q3 2013 | $17.8M | -$1.16M | -6.15% | Sep 30, 2013 | 10-Q | 2013-11-14 |
| Q2 2013 | $17.7M | -$1.24M | -6.52% | Jun 30, 2013 | 10-Q | 2013-08-15 |
| Q1 2013 | $17.9M | -$1.09M | -5.76% | Mar 31, 2013 | 10-Q | 2013-05-14 |
| Q4 2012 | $18.3M | -$174K | -0.94% | Dec 31, 2012 | 10-K | 2014-03-31 |
| Q3 2012 | $18.9M | +$581K | +3.17% | Sep 30, 2012 | 10-Q | 2012-11-14 |
| Q2 2012 | $19M | +$544K | +2.95% | Jun 30, 2012 | 10-Q | 2012-08-13 |
| Q1 2012 | $19M | Mar 31, 2012 | 10-Q | 2012-05-14 | ||
| Q4 2011 | $18.5M | -$121K | -0.65% | Dec 31, 2011 | 10-K | 2013-04-01 |
| Q3 2011 | $18.3M | Sep 30, 2011 | 10-Q | 2011-11-14 | ||
| Q2 2011 | $18.4M | Jun 30, 2011 | 10-Q/A | 2011-08-15 | ||
| Q4 2010 | $18.6M | Dec 31, 2010 | 10-K | 2012-03-30 |