| Investments in Debt and Marketable Equity Securities (and Certain Trading Assets) Disclosure [Text Block] |
| 5. |
MARKETABLE DEBT SECURITIES |
The following table summarizes the Company's available-for-sale marketable debt securities as of November 30, 2025 (in thousands):
| |
|
Cost |
|
|
Unrealized Gains |
|
|
Unrealized Losses |
|
|
Fair Value |
|
|
Investments |
|
| Corporate bonds |
|
$ |
737 |
|
|
$ |
11 |
|
|
$ |
- |
|
|
$ |
748 |
|
|
$ |
748 |
|
| U.S. Treasury securities |
|
|
999 |
|
|
|
7 |
|
|
|
- |
|
|
|
1,006 |
|
|
|
1,006 |
|
| Total |
|
$ |
1,736 |
|
|
$ |
18 |
|
|
$ |
- |
|
|
$ |
1,754 |
|
|
$ |
1,754 |
|
The following table summarizes the Company's available-for-sale marketable debt securities as of November 30, 2024 (in thousands):
| |
|
Cost |
|
|
Unrealized
Gains |
|
|
Unrealized
Losses |
|
|
Fair
Value |
|
|
Investments |
|
| Corporate bonds |
|
$ |
2,950 |
|
|
$ |
18 |
|
|
$ |
- |
|
|
$ |
2,968 |
|
|
$ |
2,968 |
|
| U.S. Treasury securities |
|
|
5,889 |
|
|
|
47 |
|
|
|
- |
|
|
|
5,936 |
|
|
|
5,936 |
|
| Total |
|
$ |
8,839 |
|
|
$ |
65 |
|
|
$ |
- |
|
|
$ |
8,904 |
|
|
$ |
8,904 |
|
The following table summarizes the fair value of marketable debt securities by level within the fair value hierarchy as of November 30, 2025:
| |
|
|
|
|
|
|
|
|
|
November 30, 2025 |
|
| |
|
|
|
|
|
|
|
|
|
Fair Value Measurement Based on |
|
| |
|
|
|
|
|
|
|
|
Quoted Prices in Active Market |
|
|
Significant Other Observable Inputs |
|
|
Significant Unobservable Inputs |
|
| |
|
Cost |
|
|
Fair Value |
|
|
(Level 1) |
|
|
(Level 2) |
|
|
(Level 3) |
|
| Cash equivalents |
|
$ |
5,043 |
|
|
$ |
5,043 |
|
|
$ |
5,043 |
|
|
$ |
- |
|
|
$ |
- |
|
| Corporate bonds |
|
|
737 |
|
|
|
748 |
|
|
|
- |
|
|
|
748 |
|
|
|
- |
|
| U.S. Treasury securities |
|
|
999 |
|
|
|
1,006 |
|
|
|
- |
|
|
|
1,006 |
|
|
|
- |
|
| Total |
|
$ |
6,779 |
|
|
$ |
6,797 |
|
|
$ |
5,043 |
|
|
$ |
1,754 |
|
|
$ |
- |
|
The following table summarizes the fair value of marketable debt securities by level within the fair value hierarchy as of November 30, 2024:
| |
|
|
|
|
|
|
|
|
|
November 30, 2024 |
|
| |
|
|
|
|
|
|
|
|
|
Fair Value Measurement Based on |
|
| |
|
|
|
|
|
|
|
|
Quoted Prices in Active Market |
|
|
Significant Other Observable Inputs |
|
|
Significant Unobservable Inputs |
|
| |
|
Cost |
|
|
Fair Value |
|
|
(Level 1) |
|
|
(Level 2) |
|
|
(Level 3) |
|
| Cash equivalents |
|
$ |
11,304 |
|
|
$ |
11,304 |
|
|
$ |
11,304 |
|
|
$ |
- |
|
|
$ |
- |
|
| Corporate bonds |
|
|
2,950 |
|
|
|
2,968 |
|
|
|
- |
|
|
|
2,968 |
|
|
|
- |
|
| U.S. Treasury securities |
|
|
5,889 |
|
|
|
5,936 |
|
|
|
- |
|
|
|
5,936 |
|
|
|
- |
|
| Total |
|
$ |
20,143 |
|
|
$ |
20,208 |
|
|
$ |
11,304 |
|
|
$ |
8,904 |
|
|
$ |
- |
|
|