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