| Period | Value | YoY Chg | Change % | Date | Report | Filed |
|---|---|---|---|---|---|---|
| Q4 2022 | $1.8M | -$900K | -33.3% | Dec 31, 2022 | 10-K | 2023-03-01 |
| Q3 2022 | $1.7M | -$1M | -37% | Sep 30, 2022 | 10-Q | 2022-11-03 |
| Q2 2022 | $1.8M | -$900K | -33.3% | Jun 30, 2022 | 10-Q | 2022-07-29 |
| Q1 2022 | $1.8M | -$900K | -33.3% | Mar 31, 2022 | 10-Q | 2022-05-02 |
| Q4 2021 | $2.7M | -$900K | -25% | Dec 31, 2021 | 10-K | 2023-03-01 |
| Q3 2021 | $2.7M | $0 | 0% | Sep 30, 2021 | 10-Q | 2021-10-26 |
| Q2 2021 | $2.7M | $0 | 0% | Jun 30, 2021 | 10-Q | 2021-07-27 |
| Q1 2021 | $2.7M | $0 | 0% | Mar 31, 2021 | 10-Q | 2021-05-03 |
| Q4 2020 | $3.6M | -$900K | -20% | Dec 31, 2020 | 10-K | 2022-02-28 |
| Q3 2020 | $2.7M | -$1.8M | -40% | Sep 30, 2020 | 10-Q | 2020-10-28 |
| Q2 2020 | $2.7M | -$1.8M | -40% | Jun 30, 2020 | 10-Q | 2020-07-24 |
| Q1 2020 | $2.7M | -$1.8M | -40% | Mar 31, 2020 | 10-Q | 2020-05-06 |
| Q4 2019 | $4.5M | -$900K | -16.7% | Dec 31, 2019 | 10-K | 2021-02-26 |
| Q3 2019 | $4.5M | -$918K | -16.9% | Sep 30, 2019 | 10-Q | 2019-10-28 |
| Q2 2019 | $4.5M | -$918K | -16.9% | Jun 30, 2019 | 10-Q | 2019-07-26 |
| Q1 2019 | $4.5M | -$919K | -17% | Mar 31, 2019 | 10-Q | 2019-05-03 |
| Q4 2018 | $5.4M | -$922K | -14.6% | Dec 31, 2018 | 10-K | 2020-02-27 |
| Q3 2018 | $5.42M | Sep 30, 2018 | 10-Q | 2018-11-07 | ||
| Q2 2018 | $5.42M | Jun 30, 2018 | 10-Q | 2018-08-07 | ||
| Q1 2018 | $5.42M | Mar 31, 2018 | 10-Q | 2018-05-09 | ||
| Q4 2017 | $6.32M | +$5.63M | +811% | Dec 31, 2017 | 10-K | 2019-03-01 |
| Q4 2016 | $694K | +$47K | +7.26% | Dec 31, 2016 | 10-K | 2018-02-23 |
| Q3 2016 | $670K | +$20K | +3.08% | Sep 30, 2016 | 10-Q | 2016-10-26 |
| Q2 2016 | $662K | +$19K | +2.96% | Jun 30, 2016 | 10-Q | 2016-07-22 |
| Q1 2016 | $655K | +$19K | +2.99% | Mar 31, 2016 | 10-Q | 2016-04-29 |
| Q4 2015 | $647K | +$18K | +2.86% | Dec 31, 2015 | 10-Q | 2016-10-26 |
| Q3 2015 | $650K | -$112K | -14.7% | Sep 30, 2015 | 10-Q | 2015-10-27 |
| Q2 2015 | $643K | -$110K | -14.6% | Jun 30, 2015 | 10-Q | 2015-07-24 |
| Q1 2015 | $636K | -$119K | -15.8% | Mar 31, 2015 | 10-Q | 2015-05-04 |
| Q4 2014 | $629K | -$409K | -39.4% | Dec 31, 2014 | 10-K | 2016-02-26 |
| Q3 2014 | $762K | -$393K | -34% | Sep 30, 2014 | 10-Q | 2014-10-27 |
| Q2 2014 | $753K | -$390K | -34.1% | Jun 30, 2014 | 10-Q | 2014-07-29 |
| Q1 2014 | $755K | -$375K | -33.2% | Mar 31, 2014 | 10-Q | 2014-04-29 |
| Q4 2013 | $1.04M | -$80K | -7.16% | Dec 31, 2013 | 10-K | 2015-02-26 |
| Q3 2013 | $1.16M | -$148K | -11.4% | Sep 28, 2013 | 10-Q | 2013-10-29 |
| Q2 2013 | $1.14M | -$145K | -11.3% | Jun 29, 2013 | 10-Q | 2013-07-26 |
| Q1 2013 | $1.13M | -$5.19M | -82.1% | Mar 30, 2013 | 10-Q | 2013-04-29 |
| Q4 2012 | $1.12M | -$5.11M | -82% | Dec 31, 2012 | 10-K | 2014-02-26 |
| Q3 2012 | $1.3M | -$5.45M | -80.7% | Sep 29, 2012 | 10-Q | 2012-11-07 |
| Q2 2012 | $1.29M | -$10M | -88.6% | Jun 30, 2012 | 10-Q | 2012-08-09 |
| Q1 2012 | $6.32M | Mar 31, 2012 | 10-Q | 2012-04-30 | ||
| Q4 2011 | $6.23M | -$4.67M | -42.8% | Dec 31, 2011 | 10-K | 2013-02-25 |
| Q3 2011 | $6.75M | Oct 1, 2011 | 10-Q | 2011-11-03 | ||
| Q2 2011 | $11.3M | Jul 2, 2011 | 10-Q | 2011-08-09 | ||
| Q4 2010 | $10.9M | Dec 31, 2010 | 10-K | 2012-02-24 |