| Period | Value | YoY Chg | Change % | Date | Report | Filed |
|---|---|---|---|---|---|---|
| Q4 2022 | $9.1M | -$5.6M | -38.1% | Dec 31, 2022 | 10-K | 2023-02-24 |
| Q4 2021 | $14.7M | -$5M | -25.4% | Dec 31, 2021 | 10-K | 2023-02-24 |
| Q4 2020 | $19.7M | +$1.5M | +8.24% | Dec 31, 2020 | 10-K | 2023-02-24 |
| Q2 2020 | $18.2M | +$600K | +3.41% | Jun 30, 2020 | 10-Q | 2020-07-31 |
| Q1 2020 | $18.2M | $0 | 0% | Mar 31, 2020 | 10-Q | 2020-05-01 |
| Q4 2019 | $18.2M | +$300K | +1.68% | Dec 31, 2019 | 10-K | 2023-02-24 |
| Q3 2019 | $17.6M | +$200K | +1.15% | Sep 30, 2019 | 10-Q | 2019-11-06 |
| Q2 2019 | $17.6M | +$500K | +2.92% | Jun 30, 2019 | 10-Q | 2019-08-02 |
| Q1 2019 | $18.2M | -$11.5M | -38.7% | Mar 31, 2019 | 10-Q | 2019-05-10 |
| Q4 2018 | $17.9M | -$10.8M | -37.6% | Dec 31, 2018 | 10-K | 2022-02-25 |
| Q3 2018 | $17.4M | -$14.8M | -46% | Sep 30, 2018 | 10-Q | 2018-11-09 |
| Q2 2018 | $17.1M | -$14.8M | -46.4% | Jun 30, 2018 | 10-Q | 2018-08-03 |
| Q1 2018 | $29.7M | +$5.5M | +22.7% | Mar 31, 2018 | 10-Q | 2018-05-08 |
| Q4 2017 | $28.7M | +$4.5M | +18.6% | Dec 31, 2017 | 10-K | 2021-02-22 |
| Q3 2017 | $32.2M | +$14.8M | +85.1% | Sep 30, 2017 | 10-Q | 2017-11-02 |
| Q2 2017 | $31.9M | +$15M | +88.8% | Jun 30, 2017 | 10-Q | 2017-08-07 |
| Q1 2017 | $24.2M | -$14M | -36.6% | Mar 31, 2017 | 10-Q | 2017-05-05 |
| Q4 2016 | $24.2M | -$6.3M | -20.7% | Dec 31, 2016 | 10-K | 2020-02-28 |
| Q3 2016 | $17.4M | -$6.1M | -26% | Sep 30, 2016 | 10-Q | 2016-10-31 |
| Q2 2016 | $16.9M | -$6.6M | -28.1% | Jun 30, 2016 | 10-Q | 2016-08-01 |
| Q1 2016 | $38.2M | +$6M | +18.6% | Mar 31, 2016 | 10-Q | 2016-05-03 |
| Q4 2015 | $30.5M | -$1.2M | -3.79% | Dec 31, 2015 | 10-K | 2019-03-06 |
| Q3 2015 | $23.5M | -$5.8M | -19.8% | Sep 30, 2015 | 10-Q | 2015-11-02 |
| Q2 2015 | $23.5M | -$5.6M | -19.2% | Jun 30, 2015 | 10-Q | 2015-08-03 |
| Q1 2015 | $32.2M | +$3.1M | +10.7% | Mar 31, 2015 | 10-Q | 2015-05-04 |
| Q4 2014 | $31.7M | -$20.3M | -39% | Dec 31, 2014 | 10-K | 2018-03-16 |
| Q3 2014 | $29.3M | Sep 30, 2014 | 10-Q | 2014-11-13 | ||
| Q2 2014 | $29.1M | Jun 30, 2014 | 10-Q | 2014-08-06 | ||
| Q1 2014 | $29.1M | Mar 31, 2014 | 10-Q | 2014-05-02 | ||
| Q4 2013 | $52M | +$400K | +0.78% | Dec 31, 2013 | 10-K | 2017-03-16 |
| Q4 2012 | $51.6M | +$42M | +438% | Dec 31, 2012 | 10-K | 2016-03-02 |
| Q4 2011 | $9.6M | -$600K | -5.88% | Dec 31, 2011 | 10-K | 2015-03-03 |
| Q4 2010 | $10.2M | Dec 31, 2010 | 10-K/A | 2014-11-13 |