| Period | Value | YoY Chg | Change % | Date | Report | Filed |
|---|---|---|---|---|---|---|
| Q4 2022 | $2.55M | -$298K | -10.5% | Dec 31, 2022 | 10-K | 2023-03-31 |
| Q4 2021 | $2.85M | -$14K | -0.49% | Dec 31, 2021 | 10-K | 2023-03-31 |
| Q4 2020 | $2.86M | -$37K | -1.28% | Dec 31, 2020 | 10-K | 2023-03-31 |
| Q4 2019 | $2.9M | -$197K | -6.37% | Dec 31, 2019 | 10-K | 2022-03-16 |
| Q2 2019 | $2.7M | -$400K | -12.9% | Jun 30, 2019 | 10-Q | 2019-08-14 |
| Q1 2019 | $3.4M | +$100K | +3.03% | Mar 31, 2019 | 10-Q | 2019-05-15 |
| Q4 2018 | $3.1M | -$233K | -7% | Dec 31, 2018 | 10-K | 2021-03-31 |
| Q3 2018 | $3.1M | -$900K | -22.5% | Sep 30, 2018 | 10-Q | 2018-11-14 |
| Q2 2018 | $3.1M | -$900K | -22.5% | Jun 30, 2018 | 10-Q | 2018-08-14 |
| Q1 2018 | $3.3M | -$900K | -21.4% | Mar 31, 2018 | 10-Q | 2018-05-21 |
| Q4 2017 | $3.33M | -$822K | -19.8% | Dec 31, 2017 | 10-K | 2020-03-27 |
| Q3 2017 | $4M | Sep 30, 2017 | 10-Q | 2018-01-31 | ||
| Q2 2017 | $4M | Jun 30, 2017 | 10-Q | 2017-12-19 | ||
| Q1 2017 | $4.2M | Mar 31, 2017 | 10-Q | 2017-12-19 | ||
| Q4 2016 | $4.15M | -$365K | -8.08% | Dec 31, 2016 | 10-K | 2019-04-01 |
| Q4 2015 | $4.52M | -$116K | -2.51% | Dec 31, 2015 | 10-K | 2018-04-16 |
| Q4 2014 | $4.63M | -$42K | -0.9% | Dec 31, 2014 | 10-K | 2017-09-12 |
| Q3 2014 | $4.7M | Sep 30, 2014 | 10-Q | 2014-10-30 | ||
| Q2 2014 | $4.7M | Jun 30, 2014 | 10-Q | 2014-07-31 | ||
| Q1 2014 | $4.7M | Mar 31, 2014 | 10-Q | 2014-05-02 | ||
| Q4 2013 | $4.67M | +$524K | +12.6% | Dec 31, 2013 | 10-K | 2017-09-12 |
| Q4 2012 | $4.15M | -$1.61M | -28% | Dec 31, 2012 | 10-K | 2017-03-15 |
| Q4 2011 | $5.76M | +$1.86M | +47.8% | Dec 31, 2011 | 10-K | 2015-03-09 |
| Q4 2010 | $3.9M | Dec 31, 2010 | 10-K | 2014-03-17 |