| Period | Value | YoY Chg | Change % | Date | Report | Filed |
|---|---|---|---|---|---|---|
| Q4 2022 | -$301M | -$29.4M | -10.8% | Jan 31, 2023 | 10-Q | 2023-03-14 |
| Q3 2022 | -$294M | -$32.4M | -12.4% | Oct 31, 2022 | 10-Q | 2022-12-15 |
| Q2 2022 | -$286M | -$34.2M | -13.6% | Jul 31, 2022 | 10-Q | 2023-03-14 |
| Q1 2022 | -$278M | -$37.8M | -15.7% | Apr 30, 2022 | 10-Q | 2022-06-14 |
| Q4 2021 | -$271M | -$41M | -17.8% | Jan 31, 2022 | 10-Q | 2022-03-15 |
| Q3 2021 | -$262M | -$41.8M | -19% | Oct 31, 2021 | 10-Q | 2021-12-15 |
| Q2 2021 | -$252M | -$45.2M | -21.9% | Jul 31, 2021 | 10-K | 2022-10-31 |
| Q1 2021 | -$240M | -$42.3M | -21.4% | Apr 30, 2021 | 10-Q | 2021-06-11 |
| Q4 2020 | -$231M | -$42.8M | -22.8% | Jan 31, 2021 | 10-Q | 2021-03-15 |
| Q3 2020 | -$220M | -$45.7M | -26.3% | Oct 31, 2020 | 10-Q | 2020-12-11 |
| Q2 2020 | -$207M | -$42.3M | -25.7% | Jul 31, 2020 | 10-K | 2021-10-29 |
| Q1 2020 | -$198M | -$40.8M | -26% | Apr 30, 2020 | 10-Q | 2020-06-15 |
| Q4 2019 | -$188M | -$37.8M | -25.2% | Jan 31, 2020 | 10-Q | 2020-03-16 |
| Q3 2019 | -$174M | -$32.5M | -22.9% | Oct 31, 2019 | 10-Q | 2019-12-13 |
| Q2 2019 | -$164M | -$30.3M | -22.6% | Jul 31, 2019 | 10-K | 2020-10-28 |
| Q1 2019 | -$157M | -$35.2M | -28.9% | Apr 30, 2019 | 10-Q | 2019-06-14 |
| Q4 2018 | -$150M | -$38.4M | -34.4% | Jan 31, 2019 | 10-Q | 2019-03-08 |
| Q3 2018 | -$142M | -$40.8M | -40.5% | Oct 31, 2018 | 10-Q | 2018-12-14 |
| Q2 2018 | -$134M | -$39.1M | -41.2% | Jul 31, 2018 | 10-K/A | 2019-11-27 |
| Q1 2018 | -$122M | -$32.6M | -36.6% | Apr 30, 2018 | 10-Q | 2018-06-13 |
| Q4 2017 | -$112M | -$27.1M | -32.1% | Jan 31, 2018 | 10-Q | 2018-03-09 |
| Q3 2017 | -$101M | -$21.7M | -27.5% | Oct 31, 2017 | 10-Q | 2017-12-07 |
| Q2 2017 | -$94.9M | -$21.4M | -29.2% | Jul 31, 2017 | 10-K | 2018-10-19 |
| Q1 2017 | -$89M | -$22.1M | -33% | Apr 30, 2017 | 10-Q | 2017-06-01 |
| Q4 2016 | -$84.5M | -$23.8M | -39.2% | Jan 31, 2017 | 10-Q | 2017-03-16 |
| Q3 2016 | -$79.1M | -$25.5M | -47.5% | Oct 31, 2016 | 10-Q | 2016-12-08 |
| Q2 2016 | -$73.5M | -$26.9M | -57.7% | Jul 31, 2016 | 10-K | 2017-10-25 |
| Q1 2016 | -$66.9M | -$26.9M | -67.2% | Apr 30, 2016 | 10-Q | 2016-06-09 |
| Q4 2015 | -$60.7M | -$26.6M | -78.3% | Jan 31, 2016 | 10-Q | 2016-03-08 |
| Q3 2015 | -$53.6M | -$24.2M | -82.3% | Oct 31, 2015 | 10-Q | 2015-12-08 |
| Q2 2015 | -$46.6M | -$21.2M | -83.8% | Jul 31, 2015 | 10-K | 2016-10-13 |
| Q1 2015 | -$40M | -$18.2M | -83.5% | Apr 30, 2015 | 10-Q | 2015-06-09 |
| Q4 2014 | -$34M | -$16M | -89.1% | Jan 31, 2015 | 10-Q | 2015-03-12 |
| Q3 2014 | -$29.4M | -$14M | -91% | Oct 31, 2014 | 10-Q | 2014-12-08 |
| Q2 2014 | -$25.4M | -$12M | -90% | Jul 31, 2014 | 10-K | 2015-10-14 |
| Q1 2014 | -$21.8M | -$10.2M | -88.5% | Apr 30, 2014 | 10-Q | 2014-06-13 |
| Q4 2013 | -$18M | -$8.15M | -82.8% | Jan 31, 2014 | 10-Q | 2014-03-14 |
| Q3 2013 | -$15.4M | -$7.17M | -87.2% | Oct 31, 2013 | 10-Q | 2013-12-16 |
| Q2 2013 | -$13.4M | -$7.15M | -115% | Jul 31, 2013 | 10-K | 2014-10-10 |
| Q1 2013 | -$11.6M | -$6.97M | -151% | Apr 30, 2013 | 10-Q | 2013-06-14 |
| Q4 2012 | -$9.85M | -$6.05M | -159% | Jan 31, 2013 | 10-Q | 2013-03-15 |
| Q3 2012 | -$8.23M | -$7.1M | -632% | Oct 31, 2012 | 10-Q | 2012-12-17 |
| Q2 2012 | -$6.2M | -$2.36M | -61.7% | Jul 31, 2012 | 10-K | 2013-09-27 |
| Q1 2012 | -$4.61M | Apr 30, 2012 | 10-Q | 2012-06-14 | ||
| Q4 2011 | -$3.8M | Jan 31, 2012 | 10-Q | 2012-03-16 | ||
| Q3 2011 | -$1.12M | Oct 31, 2011 | 10-Q | 2011-12-15 | ||
| Q2 2011 | -$3.84M | Jul 31, 2011 | 10-K | 2012-10-15 |