| Period | Value | YoY Chg | Change % | Date | Report | Filed |
|---|---|---|---|---|---|---|
| Q3 2023 | -$77.3M | Oct 31, 2023 | 10-Q | 2023-12-08 | ||
| Q4 2022 | -$76.4M | Jan 31, 2023 | 10-Q | 2023-12-08 | ||
| Q4 2020 | -$73.2M | -$106K | -0.15% | Jan 31, 2021 | 10-K | 2022-09-08 |
| Q3 2020 | -$74.4M | -$1.8M | -2.48% | Oct 31, 2020 | 10-Q | 2020-12-21 |
| Q2 2020 | -$73.5M | -$1.36M | -1.89% | Jul 31, 2020 | 10-Q | 2020-09-22 |
| Q1 2020 | -$73.2M | -$1.53M | -2.13% | Apr 30, 2020 | 10-Q | 2020-07-20 |
| Q4 2019 | -$73M | -$1.87M | -2.62% | Jan 31, 2020 | 10-K | 2022-09-08 |
| Q3 2019 | -$72.6M | -$2.29M | -3.26% | Oct 31, 2019 | 10-Q | 2019-12-16 |
| Q2 2019 | -$72.1M | -$2.5M | -3.59% | Jul 31, 2019 | 10-Q/A | 2019-09-25 |
| Q1 2019 | -$71.7M | -$3.37M | -4.93% | Apr 30, 2019 | 10-Q | 2019-07-01 |
| Q4 2018 | -$71.2M | -$4.78M | -7.2% | Jan 31, 2019 | 10-K | 2020-07-07 |
| Q3 2018 | -$70.3M | -$4.7M | -7.18% | Oct 31, 2018 | 10-Q | 2019-02-19 |
| Q2 2018 | -$69.6M | -$5.08M | -7.88% | Jul 31, 2018 | 10-Q | 2019-02-19 |
| Q1 2018 | -$68.3M | -$23.7M | -53.2% | Apr 30, 2018 | 10-Q | 2018-11-20 |
| Q4 2017 | -$66.4M | -$22.9M | -52.6% | Jan 31, 2018 | 10-K | 2019-06-28 |
| Q3 2017 | -$65.6M | -$53M | -423% | Oct 31, 2017 | 10-Q/A | 2017-12-22 |
| Q2 2017 | -$64.5M | -$53.1M | -466% | Jul 31, 2017 | 10-Q | 2017-11-03 |
| Q1 2017 | -$44.6M | -$34M | -323% | Apr 30, 2017 | 10-Q | 2017-06-14 |
| Q4 2016 | -$43.5M | -$33.6M | -340% | Jan 31, 2017 | 10-K | 2018-11-19 |
| Q3 2016 | -$12.5M | -$2.88M | -29.9% | Oct 31, 2016 | 10-Q | 2016-12-02 |
| Q2 2016 | -$11.4M | -$2.08M | -22.3% | Jul 31, 2016 | 10-Q | 2016-09-19 |
| Q1 2016 | -$10.6M | -$1.4M | -15.3% | Apr 30, 2016 | 10-Q/A | 2016-06-22 |
| Q4 2015 | -$9.89M | -$910K | -10.1% | Jan 31, 2016 | 10-K | 2017-05-01 |
| Q3 2015 | -$9.66M | -$1.06M | -12.4% | Oct 31, 2015 | 10-Q | 2015-12-15 |
| Q2 2015 | -$9.33M | -$805K | -9.45% | Jul 31, 2015 | 10-Q | 2015-09-17 |
| Q1 2015 | -$9.15M | -$862K | -10.4% | Apr 30, 2015 | 10-Q | 2015-06-12 |
| Q4 2014 | -$8.98M | -$1.09M | -13.8% | Jan 31, 2015 | 10-K/A | 2016-06-22 |
| Q3 2014 | -$8.6M | -$6.7M | -352% | Oct 31, 2014 | 10-Q | 2014-12-15 |
| Q2 2014 | -$8.52M | -$7M | -458% | Jul 31, 2014 | 10-Q | 2014-09-15 |
| Q1 2014 | -$8.29M | -$7.13M | -614% | Apr 30, 2014 | 10-Q | 2014-06-17 |
| Q4 2013 | -$7.89M | -$7.24M | -1116% | Jan 31, 2014 | 10-K | 2015-05-01 |
| Q3 2013 | -$1.9M | -$1.7M | -831% | Oct 31, 2013 | 10-Q | 2013-12-19 |
| Q2 2013 | -$1.53M | Jul 31, 2013 | 10-Q/A | 2013-09-24 | ||
| Q1 2013 | -$1.16M | Apr 30, 2013 | 10-Q | 2013-06-19 | ||
| Q4 2012 | -$649K | -$420K | -183% | Jan 31, 2013 | 10-K | 2014-05-14 |
| Q3 2012 | -$204K | Oct 31, 2012 | 10-Q | 2012-12-20 | ||
| Q4 2011 | -$229K | Jan 31, 2012 | 10-K/A | 2013-12-12 |