XML 54 R41.htm IDEA: XBRL DOCUMENT
v3.25.2

Note 8 - Long Term Investments (Tables) | 3 Months Ended
--- | ---
Aug. 31, 2025
Notes Tables |
Debt Securities, Trading, and Equity Securities, FV-NI [Table Text Block] |
|  | August 31, |  |  | May 31, |
|  | 2025 |  |  | 2025 |
Equity investments measured at fair value |  | $ | 2,012 |  |  | $ | 1,972 |
Equity investments under measurement alternative |  |  | 8,160 |  |  |  | 8,160 |
Total |  | $ | 10,172 |  |  | $ | 10,132 |

X
- References No definition available. + Details
Name: | us-gaap_TableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of investment in debt security measured at fair value with change in fair value recognized in net income (trading) and investment in equity security measured at fair value with change in fair value recognized in net income (FV-NI). + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 820 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 6B -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482106/820-10-50-6B + Details
Name: | us-gaap_TradingSecuritiesAndCertainTradingAssetsTextBlock
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration