Quarterly report pursuant to Section 13 or 15(d)

Note 3 - Revenue From Contracts With Customers (Tables)

v3.19.2
Note 3 - Revenue From Contracts With Customers (Tables)
6 Months Ended
Jun. 30, 2019
Notes Tables  
Disaggregation of Revenue [Table Text Block]
T
hree Months Ended
June 30
, 2019
 
Diagnostics
 
Royalty revenue:
       
Europe
  $
5,940
 
         
License revenue:
       
NAV4694 sublicense
  $
9,953
 
T
hree Months Ended
June 30
, 2018
 
Diagnostics
 
Royalty revenue:
       
Europe
  $
6,665
 
         
License revenue:
       
NAV4694 sublicense
  $
257,709
 
Six Months Ended June 30, 2019
 
Diagnostics
 
Royalty revenue:
       
Europe
  $
9,090
 
         
License revenue:
       
NAV4694 sublicense
  $
9,953
 
         
Other revenue:
       
Additional stability studies
  $
11,024
 
Six Months Ended June 30, 2018
 
Diagnostics
 
Royalty revenue:
       
Europe
  $
7,460
 
         
License revenue:
       
NAV4694 sublicense
  $
257,709
 
         
Other revenue:
       
Additional stability studies
  $
15,037
 
Contract with Customer, Asset and Liability [Table Text Block]
   
Three Months Ended
June
30,
   
Six
Months Ended
June
30,
 
   
2019
   
2018
   
2019
   
2018
 
Total deferred revenue, beginning of period
  $
700,000
    $
711,024
    $
711,024
    $
26,061
 
Impact of adoption of ASU 2014-09 and related standards
   
     
     
     
700,000
 
Revenue deferred related to sublicense
   
495,000
     
10,000
     
495,000
     
10,000
 
Revenue recognized from satisfaction of performance obligations
   
     
     
(11,024
)
   
(15,037
)
Total deferred revenue, end of period
  $
1,195,000
    $
721,024
    $
1,195,000
    $
721,024