Quarterly report pursuant to Section 13 or 15(d)

Note 3 - Revenue From Contracts With Customers (Tables)

v3.22.2.2
Note 3 - Revenue From Contracts With Customers (Tables)
6 Months Ended
Jun. 30, 2022
Notes Tables  
Disaggregation of Revenue [Table Text Block]
   

Three Months Ended

June 30,

   

Six Months Ended

June 30,

 
   

2022

   

2021

   

2022

   

2021

 

Sales revenue:

                               

Tc99m tilmanocept - Europe

  $ 6,519     $     $ 6,519     $  
                                 

License revenue:

                               

Tc99m tilmanocept - Europe

  $     $ 13,063     $     $ 35,549  
Contract with Customer, Contract Asset, Contract Liability, and Receivable [Table Text Block]
   

Three Months Ended

June 30,

   

Six Months Ended

June 30,

 
   

2022

   

2021

   

2022

   

2021

 

Total deferred revenue, beginning of period

  $ 800,000     $ 700,000     $ 700,000     $ 700,000  

Deferred revenue related to milestones achieved

                100,000        

Deferred revenue related to milestones achieved, written off due to contract renegotiations

    (100,000

)

          (100,000

)

     

Total deferred revenue, end of period

  $ 700,000     $ 700,000     $ 700,000     $ 700,000