Quarterly report pursuant to Section 13 or 15(d)

Note 3 - Revenue From Contracts With Customers (Tables)

v3.20.2
Note 3 - Revenue From Contracts With Customers (Tables)
6 Months Ended
Jun. 30, 2020
Notes Tables  
Disaggregation of Revenue [Table Text Block]
   
Three Months Ended
June
30,
   
Six
Months Ended
June
30,
 
   
2020
   
2019
   
2020
   
2019
 
Royalty revenue:
                               
Europe
  $
8,920
    $
5,940
    $
24,141
    $
9,090
 
                                 
License revenue:
                               
NAV4694 sublicense
  $
    $
9,953
    $
    $
9,953
 
                                 
Other revenue:
                               
Additional stability studies
  $
    $
    $
    $
11,024
 
Contract with Customer, Contract Asset, Contract Liability, and Receivable [Table Text Block]
   
Three Months Ended
June
30,
   
Six
Months Ended
June
30,
 
   
20
20
   
201
9
   
20
20
   
201
9
 
Total deferred revenue, beginning of period
  $
700,000
    $
700,000
    $
700,000
    $
711,024
 
Revenue deferred related to sublicense
   
160,000
     
495,000
     
160,000
     
495,000
 
Revenue recognized from satisfaction of performance obligations
   
     
     
     
(11,024
)
Total deferred revenue, end of period
  $
860,000
    $
1,195,000
    $
860,000
    $
1,195,000