| Period | Value | YoY Chg | Change % | Date | Report | Filed |
|---|---|---|---|---|---|---|
| Q4 2023 | $2.96 M | +$108 K | +3.79% | Dec 31, 2023 | 10-K | 2024-02-23 |
| Q4 2022 | $2.85 M | +$492 K | +20.9% | Dec 31, 2022 | 10-K | 2024-02-23 |
| Q4 2021 | $2.36 M | +$193 K | +8.92% | Dec 31, 2021 | 10-K | 2024-02-23 |
| Q4 2020 | $2.16 M | -$1.21 M | -35.8% | Dec 31, 2020 | 10-K | 2024-02-23 |
| Q4 2019 | $3.37 M | +$106 K | +3.25% | Dec 31, 2019 | 10-K | 2023-02-24 |
| Q3 2019 | $3.26 M | +$120 K | +3.82% | Sep 30, 2019 | 10-Q | 2019-11-07 |
| Q2 2019 | $3.51 M | +$120 K | +3.54% | Jun 30, 2019 | 10-Q | 2019-08-08 |
| Q1 2019 | $3.39 M | +$120 K | +3.67% | Mar 31, 2019 | 10-Q | 2019-05-08 |
| Q4 2018 | $3.26 M | +$101 K | +3.19% | Dec 31, 2018 | 10-K | 2022-02-25 |
| Q3 2018 | $3.14 M | -$730 K | -18.9% | Sep 30, 2018 | 10-Q | 2018-11-08 |
| Q2 2018 | $3.39 M | -$720 K | -17.5% | Jun 30, 2018 | 10-Q | 2018-08-06 |
| Q1 2018 | $3.27 M | -$730 K | -18.3% | Mar 31, 2018 | 10-Q | 2018-05-08 |
| Q4 2017 | $3.16 M | -$729 K | -18.7% | Dec 31, 2017 | 10-K | 2021-02-25 |
| Q3 2017 | $3.87 M | +$80 K | +2.11% | Sep 30, 2017 | 10-Q | 2017-11-06 |
| Q2 2017 | $4.11 M | -$70 K | -1.68% | Jun 30, 2017 | 10-Q | 2017-08-04 |
| Q1 2017 | $4 M | -$90 K | -2.2% | Mar 31, 2017 | 10-Q | 2017-05-05 |
| Q4 2016 | $3.89 M | -$89 K | -2.24% | Dec 31, 2016 | 10-K | 2020-02-27 |
| Q3 2016 | $3.79 M | -$90 K | -2.32% | Sep 30, 2016 | 10-Q | 2016-11-04 |
| Q2 2016 | $4.18 M | -$200 K | -4.57% | Jun 30, 2016 | 10-Q | 2016-08-08 |
| Q1 2016 | $4.09 M | -$200 K | -4.66% | Mar 31, 2016 | 10-Q | 2016-05-09 |
| Q4 2015 | $3.98 M | -$214 K | -5.1% | Dec 31, 2015 | 10-K | 2019-02-27 |
| Q3 2015 | $3.88 M | -$220 K | -5.37% | Sep 30, 2015 | 10-Q | 2015-11-06 |
| Q2 2015 | $4.38 M | -$310 K | -6.61% | Jun 30, 2015 | 10-Q | 2015-08-07 |
| Q1 2015 | $4.29 M | -$300 K | -6.54% | Mar 31, 2015 | 10-Q | 2015-05-11 |
| Q4 2014 | $4.2 M | -$308 K | -6.84% | Dec 31, 2014 | 10-K | 2018-02-27 |
| Q3 2014 | $4.1 M | -$350 K | -7.87% | Sep 30, 2014 | 10-Q | 2015-11-06 |
| Q2 2014 | $4.69 M | -$490 K | -9.46% | Jun 30, 2014 | 10-Q | 2015-08-07 |
| Q1 2014 | $4.59 M | -$610 K | -11.7% | Mar 31, 2014 | 10-Q | 2015-05-11 |
| Q4 2013 | $4.5 M | -$566 K | -11.2% | Dec 31, 2013 | 10-K | 2017-02-27 |
| Q3 2013 | $4.45 M | -$1.16 M | -20.7% | Sep 30, 2013 | 10-Q | 2014-11-10 |
| Q2 2013 | $5.18 M | -$1.15 M | -18.2% | Jun 30, 2013 | 10-Q | 2014-08-11 |
| Q1 2013 | $5.2 M | Mar 31, 2013 | 10-Q/A | 2014-05-12 | ||
| Q4 2012 | $5.07 M | -$916 K | -15.3% | Dec 31, 2012 | 10-K | 2016-02-26 |
| Q3 2012 | $5.61 M | Sep 30, 2012 | 10-Q | 2013-11-07 | ||
| Q2 2012 | $6.33 M | Jun 30, 2012 | 10-Q | 2013-08-02 | ||
| Q4 2011 | $5.99 M | -$5.15 M | -46.2% | Dec 31, 2011 | 10-K | 2014-02-28 |
| Q4 2010 | $11.1 M | Dec 31, 2010 | 10-K | 2014-02-28 |