| Period | Value | YoY Chg | Change % | Date | Report | Filed |
|---|---|---|---|---|---|---|
| Q4 2022 | -$39.1M | -$8.88M | -29.4% | Jan 31, 2023 | 10-Q | 2023-03-14 |
| Q3 2022 | -$38.2M | -$8.48M | -28.5% | Oct 31, 2022 | 10-Q | 2022-12-20 |
| Q2 2022 | -$35.8M | -$6.25M | -21.1% | Jul 31, 2022 | 10-Q | 2022-09-14 |
| Q1 2022 | -$30.7M | -$1.67M | -5.76% | Apr 30, 2022 | 10-Q | 2023-03-14 |
| Q4 2021 | -$30.2M | +$1.61M | +5.07% | Jan 31, 2022 | 10-Q | 2022-03-17 |
| Q3 2021 | -$29.7M | -$1.03M | -3.6% | Oct 31, 2021 | 10-Q | 2021-12-14 |
| Q2 2021 | -$29.6M | -$934K | -3.26% | Jul 31, 2021 | 10-Q | 2021-09-14 |
| Q1 2021 | -$29M | -$185K | -0.64% | Apr 30, 2021 | 10-K | 2022-07-29 |
| Q4 2020 | -$31.8M | -$3.54M | -12.5% | Jan 31, 2021 | 10-Q | 2021-03-15 |
| Q3 2020 | -$28.7M | -$378K | -1.33% | Oct 31, 2020 | 10-Q | 2020-12-15 |
| Q2 2020 | -$28.6M | -$881K | -3.18% | Jul 31, 2020 | 10-Q/A | 2020-09-16 |
| Q1 2020 | -$28.8M | -$1.51M | -5.53% | Apr 30, 2020 | 10-K | 2021-07-29 |
| Q4 2019 | -$28.3M | -$1.25M | -4.63% | Jan 31, 2020 | 10-Q | 2020-03-13 |
| Q3 2019 | -$28.3M | -$1.66M | -6.24% | Oct 31, 2019 | 10-Q | 2019-12-12 |
| Q2 2019 | -$27.7M | -$1.08M | -4.04% | Jul 31, 2019 | 10-Q | 2019-10-25 |
| Q1 2019 | -$27.3M | -$746K | -2.81% | Apr 30, 2019 | 10-K | 2020-08-13 |
| Q4 2018 | -$27M | -$1.75M | -6.92% | Jan 31, 2019 | 10-Q | 2019-03-18 |
| Q3 2018 | -$26.7M | -$240K | -0.91% | Oct 31, 2018 | 10-Q | 2019-01-09 |
| Q2 2018 | -$26.7M | -$387K | -1.47% | Jul 31, 2018 | 10-Q | 2019-01-09 |
| Q1 2018 | -$26.6M | -$354K | -1.35% | Apr 30, 2018 | 10-K | 2019-07-29 |
| Q4 2017 | -$25.3M | +$222K | +0.87% | Jan 31, 2018 | 10-Q | 2018-06-11 |
| Q3 2017 | -$26.4M | -$1.94M | -7.92% | Oct 31, 2017 | 10-Q | 2018-06-11 |
| Q2 2017 | -$26.3M | -$3.37M | -14.7% | Jul 31, 2017 | 10-Q | 2018-06-11 |
| Q1 2017 | -$26.2M | -$5.08M | -24% | Apr 30, 2017 | 10-K | 2018-11-19 |
| Q4 2016 | -$25.5M | -$7.03M | -38.1% | Jan 31, 2017 | 10-Q | 2017-03-17 |
| Q3 2016 | -$24.5M | -$7.24M | -42% | Oct 31, 2016 | 10-Q | 2016-12-12 |
| Q2 2016 | -$22.9M | -$7.78M | -51.4% | Jul 31, 2016 | 10-Q | 2016-09-14 |
| Q1 2016 | -$21.1M | -$6.63M | -45.8% | Apr 30, 2016 | 10-K | 2018-04-25 |
| Q4 2015 | -$18.5M | -$5.68M | -44.3% | Jan 31, 2016 | 10-Q | 2016-03-16 |
| Q3 2015 | -$17.2M | -$4.79M | -38.5% | Oct 31, 2015 | 10-Q | 2015-12-15 |
| Q2 2015 | -$15.1M | -$3.14M | -26.2% | Jul 31, 2015 | 10-Q | 2015-09-14 |
| Q1 2015 | -$14.5M | -$3.71M | -34.4% | Apr 30, 2015 | 10-K | 2016-07-29 |
| Q4 2014 | -$12.8M | -$1.73M | -15.6% | Jan 31, 2015 | 10-Q | 2015-03-13 |
| Q3 2014 | -$12.4M | -$1.4M | -12.6% | Oct 31, 2014 | 10-Q | 2014-12-12 |
| Q2 2014 | -$12M | -$1.36M | -12.8% | Jul 31, 2014 | 10-Q | 2014-09-15 |
| Q1 2014 | -$10.8M | -$667K | -6.6% | Apr 30, 2014 | 10-K/A | 2016-02-17 |
| Q4 2013 | -$11.1M | -$1.38M | -14.3% | Jan 31, 2014 | 10-Q | 2014-03-14 |
| Q3 2013 | -$11.1M | -$1.54M | -16.2% | Oct 31, 2013 | 10-Q | 2014-03-11 |
| Q2 2013 | -$10.6M | -$1.54M | -16.9% | Jul 31, 2013 | 10-Q | 2014-03-11 |
| Q1 2013 | -$10.1M | -$1.02M | -11.2% | Apr 30, 2013 | 10-K | 2014-08-13 |
| Q4 2012 | -$9.69M | -$2.71M | -38.9% | Jan 31, 2013 | 10-Q/A | 2013-09-23 |
| Q3 2012 | -$9.52M | -$9.5M | Oct 31, 2012 | 10-Q/A | 2013-09-19 | |
| Q2 2012 | -$9.09M | -$9.03M | -15156% | Jul 31, 2012 | 10-Q/A | 2013-09-18 |
| Q1 2012 | -$9.09M | -$2.61M | -40.3% | Apr 30, 2012 | 10-K | 2014-03-03 |
| Q4 2011 | -$6.98M | Jan 31, 2012 | 10-Q/A | 2013-07-25 | ||
| Q3 2011 | -$13.1K* | Oct 31, 2011 | 10-Q/A | 2013-07-25 | ||
| Q2 2011 | -$59.6K | Jul 31, 2011 | 10-Q/A | 2013-07-25 | ||
| Q1 2011 | -$6.48M | Apr 30, 2011 | 10-Q/A | 2013-07-25 |