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Note 16 - License, Collaboration and Distribution Agreements (Tables)
6 Months Ended
Jun. 30, 2022
Notes Tables  
Contract with Customer, Contract Asset, Contract Liability, and Receivable [Table Text Block]
   

Balance at

December

31, 2021

   

Additions

   

Deductions

   

Balance at

the end of

the

Period

 

Contract liabilities: deferred revenue

  $ 2     $ 69     $ (2

)

  $ 69  

Contract liabilities: accrued liabilities (includes contract assets)

    1,270       1,357       (1,167

)

    1,460  

Total

  $ 1,272     $ 1,426     $ (1,169

)

  $ 1,529  
Disaggregation of Revenue [Table Text Block]
   

Six Months Ended June 30,

 
   

2022

   

2021

 

Revenue recognized in the period from:

               

Amounts included in contract liabilities at the beginning of the period:

               

Performance obligations satisfied

  $ 1,270     $ 573  

New activities in the period:

               

Performance obligations satisfied

    4,404       3,367  
                 
    $ 5,674     $ 3,940