| Period | Value | YoY Chg | Change % | Date | Report | Filed |
|---|---|---|---|---|---|---|
| Q1 2024 | $0 | $0 | Apr 30, 2024 | 10-K | 2024-07-23 | |
| Q1 2023 | $0 | Apr 30, 2023 | 10-K | 2024-07-23 | ||
| Q1 2020 | $0 | $0 | Apr 30, 2020 | 10-K | 2020-07-27 | |
| Q1 2019 | $0 | -$58K | -100% | Apr 30, 2019 | 10-K | 2020-07-27 |
| Q3 2018 | $58K | Oct 31, 2018 | 10-Q | 2019-03-13 | ||
| Q2 2018 | $58K | Jul 31, 2018 | 10-Q | 2018-09-11 | ||
| Q1 2018 | $58K | $0 | 0% | Apr 30, 2018 | 10-K | 2020-07-27 |
| Q4 2017 | $58K | Jan 31, 2018 | 10-Q | 2018-03-19 | ||
| Q1 2017 | $58K | $0 | 0% | Apr 30, 2017 | 10-K | 2018-07-20 |
| Q1 2016 | $58K | $0 | 0% | Apr 30, 2016 | 10-K | 2018-07-20 |
| Q1 2015 | $58K | $0 | 0% | Apr 30, 2015 | 10-K | 2017-07-18 |
| Q1 2014 | $58K | -$1.46M | -96.2% | Apr 30, 2014 | 10-K | 2016-07-29 |
| Q4 2013 | $58K | -$27K | -31.8% | Jan 31, 2014 | 10-Q | 2014-03-17 |
| Q3 2013 | $58K | Oct 31, 2013 | 10-Q | 2013-12-16 | ||
| Q2 2013 | $58K | Jul 31, 2013 | 10-Q | 2013-09-13 | ||
| Q1 2013 | $1.52M | -$225K | -12.9% | Apr 30, 2013 | 10-K | 2015-07-29 |
| Q4 2012 | $85K | -$297K | -77.7% | Jan 31, 2013 | 10-Q | 2013-03-15 |
| Q1 2012 | $1.74M | -$643K | -27% | Apr 30, 2012 | 10-K | 2014-07-29 |
| Q4 2011 | $382K | Jan 31, 2012 | 10-Q | 2013-03-15 | ||
| Q1 2011 | $2.38M | Apr 30, 2011 | 10-K | 2013-07-16 |