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Investments (Tables)

12 Months Ended

Apr. 30, 2025

Investments

Schedule of investments

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​	​	​	​	​	​	​
​	​	April 30,
​		2025			2024
Long-term investments:	​	​	​	​	​	​
Available-for-sale securities:	​	​	​	​	​	​
Equity securities and warrants	​	$	1,204	​	$	1,027
Total long-term available-for-sale securities investments	​		1,204	​		1,027
Equity method investments	​	​	​	​	​	​
Investments in limited partnership funds	​		30,423	​		19,933
Total equity method investments	​		30,423	​		19,933
Total long-term investments	​	$	31,627	​	$	20,960

Schedule of amortized cost, gross unrealized gains, gross unrealized losses, and estimated fair value of available-for-sale investments

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​	​	​	​	​	​	​
​	​	Year Ended		​	Year Ended
​	​	April 30, 2025		​	April 30, 2024
Net gain (loss) recognized during the period on equity securities	​	$	177	​	$	(3,945)
Less: Net loss recognized during the period on equity securities sold during the period	​	​	—	​	​	—
Unrealized gain (loss) recognized during the period on equity securities still held at the reporting date	​	$	177	​	$	(3,945)

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