v3.26.1
Note 2 - Summary of Significant Accounting Policies - Fair Value Measurements (Details) - USD ($)
$ in Thousands
Mar. 31, 2026
Dec. 31, 2025
Total assets $ 405 $ 2
Royalties payable due to related parties 792 792
Deferred consideration 8,151  
Convertible notes payable 298 298
Total liabilities 9,241 1,090
Fair Value, Inputs, Level 1 [Member]    
Total assets 405 2
Royalties payable due to related parties 0 0
Deferred consideration 0  
Convertible notes payable 0 0
Total liabilities 0 0
Fair Value, Inputs, Level 2 [Member]    
Total assets 0 0
Royalties payable due to related parties 0 0
Deferred consideration 0  
Convertible notes payable 0 0
Total liabilities 0 0
Fair Value, Inputs, Level 3 [Member]    
Total assets 0 0
Royalties payable due to related parties 792 792
Deferred consideration 8,151  
Convertible notes payable 298 298
Total liabilities 9,241 1,090
Mutual Funds [Member]    
Cash Equivalents 339  
Mutual Funds [Member] | Fair Value, Inputs, Level 1 [Member]    
Cash Equivalents 339  
Mutual Funds [Member] | Fair Value, Inputs, Level 2 [Member]    
Cash Equivalents 0  
Mutual Funds [Member] | Fair Value, Inputs, Level 3 [Member]    
Cash Equivalents 0  
Money Market Funds [Member]    
Cash Equivalents 66 2
Money Market Funds [Member] | Fair Value, Inputs, Level 1 [Member]    
Cash Equivalents 66 2
Money Market Funds [Member] | Fair Value, Inputs, Level 2 [Member]    
Cash Equivalents 0 0
Money Market Funds [Member] | Fair Value, Inputs, Level 3 [Member]    
Cash Equivalents $ 0 $ 0