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Note 12 - Contingently Redeemable Noncontrolling Interests (Details Textual) $ / shares in Units, $ in Thousands				1 Months Ended	3 Months Ended
	Jun. 13, 2022 USD ($) shares	Nov. 12, 2020 USD ($) $ / shares shares	Jun. 30, 2020 shares	Jun. 30, 2022 USD ($)	Mar. 31, 2025 USD ($)	Mar. 31, 2024 USD ($)	Dec. 31, 2020 USD ($)
Temporary Equity, Accretion to Redemption Value					$ 0	$ 200
SEED Therapeutics Inc. [Member]
Share Price (in dollars per share) \| $ / shares		$ 7.5375
Proceeds from Issuance Initial Public Offering		$ 50,000
Research Collaboration and License Agreement with Eli Lilly [Member] \| SEED Therapeutics Inc. [Member] \| Forward Contract [Member]
Derivative Asset	$ 1,237
Series A-2 Preferred Shares [Member] \| Research Collaboration and License Agreement with Eli Lilly [Member]
Redeemable Noncontrolling Interest, Equity, Preferred, Fair Value	3,763						$ 5,267
Series A-2 Preferred Shares [Member] \| Research Collaboration and License Agreement with Eli Lilly [Member] \| SEED Therapeutics Inc. [Member]
Annual Return, Percentage		8.00%
Number of Annual Redemption Installments		3
Stock Issued During Period, Value, New Issues	$ 5,000			$ 1,990,000
Stock Issued During Period, Shares, New Issues (in shares) \| shares	1,990,000	1,990,000	1,990,000