Quarterly report pursuant to Section 13 or 15(d)

Note 9 - Intangible Assets, Patents (Tables)

v3.10.0.1
Note 9 - Intangible Assets, Patents (Tables)
 9 Months Ended
Sep. 30, 2018
Notes Tables  
Schedule of Finite-Lived Intangible Assets [Table Text Block]
   
September 30, 2018
    
December 31, 2017
  
   
Cost
    
Impairment
    
Accumulated Amortization
    
Net
    
Cost
    
Impairment
    
Accumulated Amortization
    
Net
  
Patents-foundation intellectual property
   $
1,377,863
     $
-
     $
(929,335
 )   $
448,528
     $
1,377,863
     $
-
     $
(787,821
 )   $
590,042
  
Epidural-Apad acquired patents
    
2,639,647
      
(1,539,794
 )    
(1,099,853
 )    
-
      
2,639,647
      
-
      
(439,941
 )    
2,199,706
  
Total
   $
4,017,510
     $
(1,539,794
 )   $
(2,029,188
 )   $
448,528
     $
4,017,510
     $
-
     $
(1,227,762
 )   $
2,789,748