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Note 16 - License, Collaboration and Distribution Agreements - Changes in Assets and Liabilities (Details) - USD ($)
$ in Thousands
Sep. 30, 2022
Dec. 31, 2021
Contract assets $ 11 $ 19
Total contract liabilities 1 54
Chargebacks, Discounts for Prompt, Payment, and Other [Member]    
Current period 613  
Payments and customer credits issued (189)  
Total contract liabilities 1,574 1,150
Other Customer Fees [Member]    
Current period 60  
Payments and customer credits issued (55)  
Total contract liabilities 88 83
Rebates [Member]    
Current period 326  
Payments and customer credits issued (341)  
Total contract liabilities 41 56
Variable Consideration [Member]    
Current period 999  
Payments and customer credits issued (585)  
Total contract liabilities $ 1,703 $ 1,289