Note 5 - Fair Value Measurements - Fair Value Measurements (Details) - USD ($) $ in Thousands |
Sep. 30, 2023 |
Jun. 30, 2023 |
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---|---|---|---|---|---|---|
Investments (2) | [1] | $ 106,284 | $ 110,577 | |||
Total | 123,382 | 134,500 | ||||
Money Market Funds [Member] | ||||||
Corporate money market funds (1) | [2] | 17,098 | 23,923 | |||
Fair Value, Inputs, Level 1 [Member] | ||||||
Investments (2) | [1] | 0 | 0 | |||
Total | 17,098 | 23,923 | ||||
Fair Value, Inputs, Level 1 [Member] | Money Market Funds [Member] | ||||||
Corporate money market funds (1) | [2] | 17,098 | 23,923 | |||
Fair Value, Inputs, Level 2 [Member] | ||||||
Investments (2) | [1] | 106,284 | 110,577 | |||
Total | 106,284 | 110,577 | ||||
Fair Value, Inputs, Level 2 [Member] | Money Market Funds [Member] | ||||||
Corporate money market funds (1) | [2] | 0 | 0 | |||
Fair Value, Inputs, Level 3 [Member] | ||||||
Investments (2) | [1] | 0 | 0 | |||
Total | 0 | 0 | ||||
Fair Value, Inputs, Level 3 [Member] | Money Market Funds [Member] | ||||||
Corporate money market funds (1) | [2] | $ 0 | $ 0 | |||
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