| Period | Value | YoY Chg | Change % | Date | Report | Filed |
|---|---|---|---|---|---|---|
| Q1 2023 | -$235M | -$9.34M | -4.14% | Apr 30, 2023 | 10-Q | 2023-06-12 |
| Q4 2022 | -$234M | -$11.4M | -5.13% | Jan 31, 2023 | 10-Q | 2023-06-12 |
| Q3 2022 | -$236M | -$14.6M | -6.62% | Oct 31, 2022 | 10-Q | 2022-12-14 |
| Q2 2022 | -$232M | -$13M | -5.96% | Jul 31, 2022 | 10-Q | 2022-09-13 |
| Q1 2022 | -$225M | -$6.36M | -2.9% | Apr 30, 2022 | 10-Q | 2022-06-08 |
| Q4 2021 | -$222M | -$7.43M | -3.46% | Jan 31, 2022 | 10-K | 2023-04-17 |
| Q3 2021 | -$221M | -$10.3M | -4.9% | Oct 31, 2021 | 10-Q | 2021-12-15 |
| Q2 2021 | -$219M | -$13.3M | -6.48% | Jul 31, 2021 | 10-Q | 2021-09-14 |
| Q1 2021 | -$219M | -$19.3M | -9.67% | Apr 30, 2021 | 10-Q | 2021-06-11 |
| Q4 2020 | -$215M | -$21.8M | -11.3% | Jan 31, 2021 | 10-K | 2022-04-08 |
| Q3 2020 | -$211M | -$17.4M | -9.03% | Oct 31, 2020 | 10-Q | 2020-12-10 |
| Q2 2020 | -$206M | -$10.2M | -5.21% | Jul 31, 2020 | 10-Q | 2020-09-09 |
| Q1 2020 | -$200M | -$4.58M | -2.35% | Apr 30, 2020 | 10-Q | 2020-06-12 |
| Q4 2019 | -$193M | -$8.92M | -4.84% | Jan 31, 2020 | 10-K | 2021-04-15 |
| Q3 2019 | -$193M | -$28.5M | -17.3% | Oct 31, 2019 | 10-Q | 2019-12-05 |
| Q2 2019 | -$195M | -$34.5M | -21.4% | Jul 31, 2019 | 10-Q | 2019-08-30 |
| Q1 2019 | -$195M | -$43.4M | -28.6% | Apr 30, 2019 | 10-Q | 2019-06-07 |
| Q4 2018 | -$184M | -$35.7M | -24% | Jan 31, 2019 | 10-K | 2020-04-20 |
| Q3 2018 | -$165M | +$4.56M | +2.69% | Oct 31, 2018 | 10-Q/A | 2018-12-17 |
| Q2 2018 | -$161M | +$8.17M | +4.83% | Jul 31, 2018 | 10-Q | 2018-09-10 |
| Q1 2018 | -$152M | +$15.7M | +9.38% | Apr 30, 2018 | 10-Q | 2018-06-11 |
| Q4 2017 | -$149M | +$13.5M | +8.33% | Jan 31, 2018 | 10-K | 2019-04-12 |
| Q3 2017 | -$169M | -$34.5M | -25.6% | Oct 31, 2017 | 10-Q | 2017-12-07 |
| Q2 2017 | -$169M | -$42.4M | -33.4% | Jul 31, 2017 | 10-Q | 2017-09-07 |
| Q1 2017 | -$167M | -$67.7M | -67.9% | Apr 30, 2017 | 10-Q | 2017-06-07 |
| Q4 2016 | -$162M | -$71.2M | -78.4% | Jan 31, 2017 | 10-K | 2018-04-16 |
| Q3 2016 | -$135M | -$66.2M | -96.4% | Oct 31, 2016 | 10-Q | 2016-12-08 |
| Q2 2016 | -$127M | -$68.6M | -118% | Jul 31, 2016 | 10-Q | 2016-09-06 |
| Q1 2016 | -$99.8M | -$46.8M | -88.3% | Apr 30, 2016 | 10-Q | 2016-06-09 |
| Q4 2015 | -$90.9M | -$47.7M | -110% | Jan 31, 2016 | 10-K | 2017-04-17 |
| Q3 2015 | -$68.6M | -$31.6M | -85.2% | Oct 31, 2015 | 10-Q | 2015-12-10 |
| Q2 2015 | -$58M | -$27.3M | -88.9% | Jul 31, 2015 | 10-Q | 2015-09-03 |
| Q1 2015 | -$53M | -$27.8M | -111% | Apr 30, 2015 | 10-Q | 2015-06-05 |
| Q4 2014 | -$43.2M | -$27.5M | -175% | Jan 31, 2015 | 10-K | 2016-04-13 |
| Q3 2014 | -$37M | -$22.8M | -159% | Oct 31, 2014 | 10-Q | 2014-12-05 |
| Q2 2014 | -$30.7M | -$15.9M | -107% | Jul 31, 2014 | 10-Q | 2014-09-05 |
| Q1 2014 | -$25.2M | -$12.3M | -96.3% | Apr 30, 2014 | 10-Q | 2014-06-06 |
| Q4 2013 | -$15.7M | -$3.03M | -23.9% | Jan 31, 2014 | 10-K | 2015-04-07 |
| Q3 2013 | -$14.3M | +$3.51M | +19.7% | Oct 31, 2013 | 10-Q | 2013-12-06 |
| Q2 2013 | -$14.9M | +$3.51M | +19.1% | Jul 31, 2013 | 10-Q | 2013-09-09 |
| Q1 2013 | -$12.8M | +$289K | +2.21% | Apr 30, 2013 | 10-Q | 2013-06-07 |
| Q4 2012 | -$12.7M | -$19.2M | -295% | Jan 31, 2013 | 10-K | 2014-04-04 |
| Q3 2012 | -$17.8M | -$29.1M | -257% | Oct 31, 2012 | 10-Q | 2012-12-07 |
| Q2 2012 | -$18.4M | -$29.3M | -268% | Jul 31, 2012 | 10-Q | 2012-09-07 |
| Q1 2012 | -$13.1M | Apr 30, 2012 | 10-Q | 2012-06-07 | ||
| Q4 2011 | $6.51M | -$4.01M | -38.2% | Jan 31, 2012 | 10-K | 2013-04-10 |
| Q3 2011 | $11.3M | Oct 31, 2011 | 10-Q | 2011-12-12 | ||
| Q2 2011 | $10.9M | Jul 31, 2011 | 10-Q | 2011-09-09 | ||
| Q4 2010 | $10.5M | Jan 31, 2011 | 10-K/A | 2012-04-06 |