XML 40 R28.htm IDEA: XBRL DOCUMENT
v3.25.3

Note 5 - Fair Value Measurements (Tables) | 3 Months Ended
--- | ---
Sep. 30, 2025
Notes Tables |
Fair Value Measurements, Recurring and Nonrecurring [Table Text Block] |
|  |  | Fair Value Measurements at September 30, 2025 |
Financial Assets | Balance Sheet Location |  | Level 1 |  |  | Level 2 |  |  | Level 3 |  |  | Total |
Corporate money market funds(1) | Cash and cash equivalents |  | $ | 29,515 |  |  | $ | - |  |  | $ | - |  |  | $ | 29,515 |
U.S. Treasury bills(2) | Investments, short-term |  |  | - |  |  |  | 49,985 |  |  |  | - |  |  |  | 49,985 |
U.S. Treasury notes(2) | Investments, long-term |  |  | - |  |  |  | 70,045 |  |  |  | - |  |  |  | 70,045 |
Total |  | $ | 29,515 |  |  | $ | 120,030 |  |  | $ | - |  |  | $ | 149,545 |
|  |  | Fair Value Measurements at June 30, 2025 |
Financial Assets | Balance Sheet Location |  | Level 1 |  |  | Level 2 |  |  | Level 3 |  |  | Total |
Corporate money market funds(1) | Cash and cash equivalents |  | $ | 33,279 |  |  | $ | - |  |  | $ | - |  |  | $ | 33,279 |
U.S. Treasury bills(2) | Investments, short-term |  |  | - |  |  |  | 59,955 |  |  |  | - |  |  |  | 59,955 |
U.S. Treasury notes(2) | Investments, long-term |  |  | - |  |  |  | 60,030 |  |  |  | - |  |  |  | 60,030 |
Total |  | $ | 33,279 |  |  | $ | 119,985 |  |  | $ | - |  |  | $ | 153,264 |

X
- Definition Tabular disclosure of financial instrument measured at fair value on recurring or nonrecurring basis. Includes, but is not limited to, instrument classified in shareholders' equity. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 820 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482106/820-10-50-2 Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 820 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482106/820-10-50-2 Reference 3: http://www.xbrl.org/2003/role/exampleRef -Topic 820 -SubTopic 10 -Name Accounting Standards Codification -Section 55 -Paragraph 100 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482078/820-10-55-100 Reference 4: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 820 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 3 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482106/820-10-50-3 + Details
Name: | us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration

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