Annual report pursuant to Section 13 and 15(d)

Note 4 - Revenue From Contracts With Customers (Tables)

v3.20.1
Note 4 - Revenue From Contracts With Customers (Tables)
12 Months Ended
Dec. 31, 2019
Notes Tables  
Disaggregation of Revenue [Table Text Block]
Year
Ended
Dec
ember 3
1
, 201
9
 
Diagnostics
 
Royalty revenue:
       
Europe
  $
16,665
 
         
License revenue:
       
NAV4694 sublicense
  $
9,953
 
         
Other revenue:
       
Additional stability studies
  $
11,024
 
Year
Ended
Dec
ember 3
1
, 2018
 
Diagnostics
 
Royalty revenue:
       
Europe
  $
15,347
 
         
License revenue:
       
NAV4694 sublicense
  $
287,569
 
Tc99m tilmanocept sublicense, China
   
19,605
 
Total
  $
307,174
 
         
Other revenue:
       
Additional stability studies
  $
15,037
 
Contract with Customer, Asset and Liability [Table Text Block]
   
Year
Ended
Dec
ember 3
1
,
 
   
201
9
   
201
8
 
Total deferred revenue, beginning of period
  $
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
 
Refund of deferred revenue related to sublicense
   
(495,000
)
   
 
Revenue recognized from satisfaction of performance obligations
   
(11,024
)
   
(25,037
)
Total deferred revenue, end of period
  $
700,000
    $
711,024
 
Accounting Standards Update 2014-09 [Member]  
Notes Tables  
Schedule of New Accounting Pronouncements and Changes in Accounting Principles [Table Text Block]
   
Pre-
Adoption
   
Post-
Adoption
   
Change
 
Deferred revenue
  $
26,061
    $
726,061
    $
700,000
 
Accumulated deficit
   
(319,908,968
)
   
(320,608,968
)
   
(700,000
)