| Period | Value | YoY Chg | Change % | Date | Report | Filed |
|---|---|---|---|---|---|---|
| Q2 2022 | $0 | $0 | Jul 31, 2022 | 10-Q | 2022-09-13 | |
| Q1 2022 | $0 | $0 | Apr 30, 2022 | 10-Q | 2022-06-09 | |
| Q4 2021 | $0 | $0 | Jan 31, 2022 | 10-Q | 2022-09-13 | |
| Q3 2021 | $0 | $0 | Oct 31, 2021 | 10-Q | 2021-12-10 | |
| Q2 2021 | $0 | $0 | Jul 31, 2021 | 10-Q | 2021-09-09 | |
| Q1 2021 | $0 | $0 | Apr 30, 2021 | 10-Q | 2021-06-03 | |
| Q4 2020 | $0 | -$2.53M | -100% | Jan 31, 2021 | 10-K | 2022-04-29 |
| Q3 2020 | $0 | -$2.53M | -100% | Oct 31, 2020 | 10-Q | 2020-12-04 |
| Q2 2020 | $0 | -$2.53M | -100% | Jul 31, 2020 | 10-Q | 2020-09-15 |
| Q1 2020 | $0 | -$2.53M | -100% | Apr 30, 2020 | 10-Q | 2020-06-11 |
| Q4 2019 | $2.53M | $0 | 0% | Jan 31, 2020 | 10-K | 2021-04-16 |
| Q3 2019 | $2.53M | $0 | 0% | Oct 31, 2019 | 10-Q | 2019-12-05 |
| Q2 2019 | $2.53M | $0 | 0% | Jul 31, 2019 | 10-Q | 2019-09-05 |
| Q1 2019 | $2.53M | $0 | 0% | Apr 30, 2019 | 10-Q | 2019-06-06 |
| Q4 2018 | $2.53M | $0 | 0% | Jan 31, 2019 | 10-K | 2020-04-28 |
| Q3 2018 | $2.53M | -$1.47M | -36.7% | Oct 31, 2018 | 10-Q | 2018-12-06 |
| Q2 2018 | $2.53M | -$1.47M | -36.7% | Jul 31, 2018 | 10-Q | 2018-09-07 |
| Q1 2018 | $2.53M | -$1.47M | -36.7% | Apr 30, 2018 | 10-Q | 2018-06-07 |
| Q4 2017 | $2.53M | -$1.47M | -36.7% | Jan 31, 2018 | 10-K | 2020-04-28 |
| Q3 2017 | $4M | $0 | 0% | Oct 31, 2017 | 10-Q | 2017-12-07 |
| Q2 2017 | $4M | -$158K | -3.8% | Jul 31, 2017 | 10-Q | 2017-09-08 |
| Q1 2017 | $4M | -$229K | -5.42% | Apr 30, 2017 | 10-Q | 2017-06-08 |
| Q4 2016 | $4M | +$1.5M | +59.9% | Jan 31, 2017 | 10-K | 2019-04-05 |
| Q3 2016 | $4M | -$1.56M | -28% | Oct 31, 2016 | 10-Q | 2016-12-08 |
| Q2 2016 | $4.16M | -$1.42M | -25.5% | Jul 31, 2016 | 10-Q | 2016-09-08 |
| Q1 2016 | $4.23M | -$1.39M | -24.8% | Apr 30, 2016 | 10-Q | 2016-06-10 |
| Q4 2015 | $2.5M | -$3.09M | -55.3% | Dec 31, 2015 | 10-Q | 2016-12-08 |
| Q3 2015 | $5.55M | -$109K | -1.93% | Oct 31, 2015 | 10-Q | 2015-12-09 |
| Q2 2015 | $5.58M | -$124K | -2.17% | Jul 31, 2015 | 10-Q | 2015-09-03 |
| Q1 2015 | $5.62M | +$1.3M | +30.1% | Apr 30, 2015 | 10-Q | 2015-06-03 |
| Q4 2014 | $5.59M | +$1.27M | +29.5% | Jan 31, 2015 | 10-K | 2017-04-07 |
| Q3 2014 | $5.66M | +$1.34M | +31% | Oct 31, 2014 | 10-Q | 2014-12-10 |
| Q2 2014 | $5.7M | +$1.38M | +32% | Jul 31, 2014 | 10-Q | 2014-09-04 |
| Q1 2014 | $4.32M | $0 | 0% | Apr 30, 2014 | 10-Q | 2014-06-04 |
| Q4 2013 | $4.32M | $0 | 0% | Jan 31, 2014 | 10-K | 2016-04-07 |
| Q3 2013 | $4.32M | $0 | 0% | Oct 31, 2013 | 10-Q | 2013-12-11 |
| Q2 2013 | $4.32M | $0 | 0% | Jul 31, 2013 | 10-Q | 2013-09-05 |
| Q1 2013 | $4.32M | $0 | 0% | Apr 30, 2013 | 10-Q | 2013-06-05 |
| Q4 2012 | $4.32M | $0 | 0% | Jan 31, 2013 | 10-K | 2015-04-08 |
| Q3 2012 | $4.32M | $0 | 0% | Oct 31, 2012 | 10-Q | 2012-12-05 |
| Q2 2012 | $4.32M | $0 | 0% | Jul 31, 2012 | 10-Q | 2012-09-06 |
| Q1 2012 | $4.32M | Apr 30, 2012 | 10-Q | 2012-06-06 | ||
| Q4 2011 | $4.32M | $0 | 0% | Jan 31, 2012 | 10-K | 2014-04-03 |
| Q3 2011 | $4.32M | Oct 31, 2011 | 10-Q | 2011-12-07 | ||
| Q2 2011 | $4.32M | Jul 31, 2011 | 10-Q | 2011-09-08 | ||
| Q4 2010 | $4.32M | Jan 31, 2011 | 10-K | 2013-04-04 |