| Period | Value | YoY Chg | Change % | Date | Report | Filed |
|---|---|---|---|---|---|---|
| Q4 2023 | -$18.2M | -$2.58M | -16.6% | Jan 31, 2024 | 10-Q | 2024-03-25 |
| Q3 2023 | -$16.7M | -$1.53M | -10.1% | Oct 31, 2023 | 10-Q | 2023-12-15 |
| Q2 2023 | -$16.3M | -$1.33M | -8.83% | Jul 31, 2023 | 10-Q | 2023-09-19 |
| Q1 2023 | -$16M | -$1.77M | -12.4% | Apr 30, 2023 | 10-Q | 2024-03-25 |
| Q4 2022 | -$15.6M | -$1.76M | -12.7% | Jan 31, 2023 | 10-Q | 2023-03-20 |
| Q3 2022 | -$15.2M | -$2.04M | -15.5% | Oct 31, 2022 | 10-Q | 2022-12-16 |
| Q2 2022 | -$15M | -$3.51M | -30.5% | Jul 31, 2022 | 10-Q | 2022-09-14 |
| Q1 2022 | -$14.3M | -$3.42M | -31.6% | Apr 30, 2022 | 10-K | 2023-08-02 |
| Q4 2021 | -$13.8M | -$5.7M | -70% | Jan 31, 2022 | 10-Q | 2022-03-17 |
| Q3 2021 | -$13.1M | -$4.99M | -61.3% | Oct 31, 2021 | 10-Q | 2021-12-15 |
| Q2 2021 | -$11.5M | -$3.08M | -36.5% | Jul 31, 2021 | 10-Q | 2021-10-06 |
| Q1 2021 | -$10.8M | -$3.32M | -44.1% | Apr 30, 2021 | 10-K/A | 2022-08-03 |
| Q4 2020 | -$8.14M | -$1.17M | -16.7% | Jan 31, 2021 | 10-Q | 2021-03-22 |
| Q3 2020 | -$8.13M | -$1.54M | -23.3% | Oct 31, 2020 | 10-Q | 2020-12-16 |
| Q2 2020 | -$8.43M | -$2.1M | -33.2% | Jul 31, 2020 | 10-Q/A | 2020-09-28 |
| Q1 2020 | -$7.52M | -$1.58M | -26.5% | Apr 30, 2020 | 10-K | 2021-09-15 |
| Q4 2019 | -$6.97M | -$1.68M | -31.8% | Jan 31, 2020 | 10-Q | 2020-05-13 |
| Q3 2019 | -$6.59M | -$1.39M | -26.7% | Oct 31, 2019 | 10-Q | 2020-04-29 |
| Q2 2019 | -$6.33M | -$1.25M | -24.6% | Jul 31, 2019 | 10-Q | 2020-03-13 |
| Q1 2019 | -$5.95M | -$537K | -9.93% | Apr 30, 2019 | 10-K | 2020-07-31 |
| Q4 2018 | -$5.29M | -$710K | -15.5% | Jan 31, 2019 | 10-Q | 2019-10-15 |
| Q3 2018 | -$5.21M | -$827K | -18.9% | Oct 31, 2018 | 10-Q | 2019-10-01 |
| Q2 2018 | -$5.08M | -$1.08M | -27.1% | Jul 31, 2018 | 10-Q | 2019-08-28 |
| Q1 2018 | -$5.41M | -$1.5M | -38.2% | Apr 30, 2018 | 10-K | 2020-01-24 |
| Q4 2017 | -$4.58M | -$2.14M | -87.5% | Jan 31, 2018 | 10-Q | 2018-03-26 |
| Q3 2017 | -$4.38M | -$1.95M | -80.4% | Oct 31, 2017 | 10-Q | 2017-12-20 |
| Q2 2017 | -$4M | -$1.88M | -88.7% | Jul 31, 2017 | 10-Q | 2017-10-04 |
| Q1 2017 | -$3.91M | -$2.12M | -118% | Apr 30, 2017 | 10-K | 2019-08-02 |
| Q4 2016 | -$2.44M | -$60.7K | -2.55% | Jan 31, 2017 | 10-Q | 2017-03-22 |
| Q3 2016 | -$2.43M | -$592K | -32.3% | Oct 31, 2016 | 10-Q | 2016-12-15 |
| Q2 2016 | -$2.12M | -$631K | -42.5% | Jul 31, 2016 | 10-Q/A | 2016-09-22 |
| Q1 2016 | -$1.79M | -$126K | -7.54% | Apr 30, 2016 | 10-K | 2017-09-06 |
| Q4 2015 | -$2.38M | -$828K | -53.3% | Jan 31, 2016 | 10-Q | 2016-03-30 |
| Q3 2015 | -$1.84M | -$592K | -47.7% | Oct 31, 2015 | 10-Q | 2015-12-21 |
| Q2 2015 | -$1.49M | Jul 31, 2015 | 10-Q | 2015-09-14 | ||
| Q1 2015 | -$1.67M | -$798K | -91.9% | Apr 30, 2015 | 10-K/A | 2016-08-18 |
| Q4 2014 | -$1.55M | Jan 31, 2015 | 10-Q | 2015-03-24 | ||
| Q3 2014 | -$1.24M | Oct 31, 2014 | 10-Q | 2014-12-22 | ||
| Q1 2014 | -$868K | Apr 30, 2014 | 10-K | 2015-08-19 | ||
| Q2 2012 | $316K | +$542K | Jul 31, 2012 | 10-Q/A | 2012-10-15 | |
| Q2 2011 | -$226K | Jul 31, 2011 | 10-Q/A | 2011-10-04 | ||
| Q1 2011 | -$197K | Apr 30, 2011 | 10-Q/A | 2011-10-04 |