| Period | Value | YoY Chg | Change % | Date | Report | Filed |
|---|---|---|---|---|---|---|
| Q2 2023 | $2.9 M | -$2.8 M | -49.1% | May 31, 2023 | 10-K | 2023-07-26 |
| Q2 2022 | $5.7 M | -$1.8 M | -24% | May 31, 2022 | 10-K | 2023-07-26 |
| Q2 2021 | $7.5 M | -$1.5 M | -16.7% | May 31, 2021 | 10-K | 2023-07-26 |
| Q2 2020 | $9 M | +$900 K | +11.1% | May 31, 2020 | 10-K | 2023-07-26 |
| Q2 2019 | $8.1 M | -$6 M | -42.6% | May 31, 2019 | 10-K | 2022-07-25 |
| Q2 2018 | $14.1 M | +$900 K | +6.82% | May 31, 2018 | 10-K | 2021-07-26 |
| Q2 2017 | $13.2 M | -$500 K | -3.65% | May 31, 2017 | 10-K | 2020-07-27 |
| Q2 2016 | $13.7 M | +$800 K | +6.2% | May 31, 2016 | 10-K | 2019-07-24 |
| Q2 2015 | $12.9 M | -$2.8 M | -17.8% | May 31, 2015 | 10-K | 2018-07-23 |
| Q1 2015 | $12.9 M | -$900 K | -6.52% | Feb 28, 2015 | 10-Q | 2015-04-08 |
| Q4 2014 | $14.8 M | -$100 K | -0.67% | Nov 30, 2014 | 10-Q | 2015-01-07 |
| Q3 2014 | $15.7 M | +$700 K | +4.67% | Aug 31, 2014 | 10-Q | 2014-10-08 |
| Q2 2014 | $15.7 M | +$7.3 M | +86.9% | May 31, 2014 | 10-K | 2017-07-24 |
| Q1 2014 | $13.8 M | +$5 M | +56.8% | Feb 28, 2014 | 10-Q | 2014-04-03 |
| Q4 2013 | $14.9 M | +$7.5 M | +101% | Nov 30, 2013 | 10-Q | 2014-01-08 |
| Q3 2013 | $15 M | +$11.7 M | +355% | Aug 31, 2013 | 10-Q | 2013-10-09 |
| Q2 2013 | $8.4 M | +$5.1 M | +155% | May 31, 2013 | 10-K | 2016-07-28 |
| Q1 2013 | $8.8 M | +$4.5 M | +105% | Feb 28, 2013 | 10-Q/A | 2014-08-14 |
| Q4 2012 | $7.4 M | +$3.1 M | +72.1% | Nov 30, 2012 | 10-Q/A | 2014-08-14 |
| Q3 2012 | $3.3 M | -$1 M | -23.3% | Aug 31, 2012 | 10-Q/A | 2014-08-14 |
| Q2 2012 | $3.3 M | -$3.1 M | -48.4% | May 31, 2012 | 10-K | 2015-07-27 |
| Q1 2012 | $4.3 M | Feb 29, 2012 | 10-Q | 2012-04-05 | ||
| Q4 2011 | $4.3 M | Nov 30, 2011 | 10-Q | 2012-01-05 | ||
| Q3 2011 | $4.3 M | Aug 31, 2011 | 10-Q | 2011-10-07 | ||
| Q2 2011 | $6.4 M | +$3.7 M | +137% | May 31, 2011 | 10-K | 2014-08-14 |
| Q2 2010 | $2.7 M | May 31, 2010 | 10-K | 2013-07-24 |