v3.26.1
Note 6 - Investments (Details Textual) - USD ($)
$ in Thousands
 1 Months Ended 3 Months Ended 12 Months Ended
Sep. 30, 2021
Mar. 31, 2026
Mar. 31, 2025
Dec. 31, 2025
Schedule of Equity Method Investments [Line Items]        
Proceeds from Sale of Equity Securities, FV-NI   $ 0 $ 51,655  
Total revenues   124,196 $ 149,952  
Assets   1,856,796   $ 1,931,944
Liabilities   652,186   663,985
Equity Method Investment, Quoted Market Value   4,300   200
Equity Method Investment, Nonconsolidated Investee or Group of Investees [Member]        
Schedule of Equity Method Investments [Line Items]        
Assets   45,000   48,900
Liabilities   15,800   17,500
Net Income (Loss), Including Portion Attributable to Noncontrolling Interest   $ 3,400   $ 13,900
Entera Bio Ltd. [Member]        
Schedule of Equity Method Investments [Line Items]        
Equity Security, FV-NI, Ownership Percent   7.90%    
ChromaDex Corporation [Member]        
Schedule of Equity Method Investments [Line Items]        
Equity Security, FV-NI, Ownership Percent   0.04%    
Eloxx Pharmaceuticals, Inc. [Member]        
Schedule of Equity Method Investments [Line Items]        
Equity Security, FV-NI, Ownership Percent   1.00%    
Xenetic Biosciences, Inc. [Member]        
Schedule of Equity Method Investments [Line Items]        
Equity Security, FV-NI, Ownership Percent   1.00%    
CAMP4 Therapeutics Corporation [Member]        
Schedule of Equity Method Investments [Line Items]        
Equity Security, FV-NI, Ownership Percent   1.00%    
HealthSnap, Inc. [Member]        
Schedule of Equity Method Investments [Line Items]        
Equity Security, FV-NI, Ownership Percent   4.00%    
Zebra [Member]        
Schedule of Equity Method Investments [Line Items]        
Equity Method Investment, Ownership Percentage   29.00%    
Zebra [Member] | Variable Interest Entity, Not Primary Beneficiary [Member] | Series A-2 Preferred Stock [Member]        
Schedule of Equity Method Investments [Line Items]        
Investment Owned, Balance, Shares (in shares)   1,260,000   1,260,000
Zebra [Member] | Variable Interest Entity, Not Primary Beneficiary [Member] | Restricted Stock [Member]        
Schedule of Equity Method Investments [Line Items]        
Investment Owned, Balance, Shares (in shares)   900,000   900,000
Equity Method Investment, Ownership Percentage   29.00%   29.00%
BioCardia [Member]        
Schedule of Equity Method Investments [Line Items]        
Equity Security, FV-NI, Ownership Percent   0.14%    
Class of Warrant or Right, Number of Securities Called by Warrants or Rights (in shares)   47,000   47,000
Pharmsynthez [Member]        
Schedule of Equity Method Investments [Line Items]        
Equity Method Investment, Ownership Percentage   6.00%    
COCP [Member]        
Schedule of Equity Method Investments [Line Items]        
Equity Method Investment, Ownership Percentage   2.00%    
NIMS [Member]        
Schedule of Equity Method Investments [Line Items]        
Equity Method Investment, Ownership Percentage   1.00%    
LeaderMed [Member]        
Schedule of Equity Method Investments [Line Items]        
Equity Method Investment, Ownership Percentage   47.00%    
LeaderMed [Member] | LeaderMed Joint Venture [Member]        
Schedule of Equity Method Investments [Line Items]        
Minority Interest, Shares Issued (in shares) 4,703      
Subsidiary, Ownership Percentage, Parent 47.00%      
Total revenues $ 1,000