Annual report pursuant to Section 13 and 15(d)

Note 4 - Patents (Tables)

v3.8.0.1
Note 4 - Patents (Tables)
12 Months Ended
Dec. 31, 2017
Notes Tables  
Schedule of Finite-Lived Intangible Assets [Table Text Block]
   
December 31, 201
7
   
December 31, 201
6
   
 
 
 
   
Gross
   
 
 
 
 
 
 
 
 
Gross
   
 
 
 
 
 
 
 
 
 
 
 
   
Carrying
   
Accumulated
   
Net Book
   
Carrying
   
Accumulated
   
Net Book
   
Useful Life
 
   
Amount
   
Amortization
   
Value
   
Amount
   
Amortization
   
Value
   
In Years
 
                                                         
Patents
  $
1,400,000
    $
(100,286
)
  $
1,299,714
    $
1,400,000
    $
(20,057
)   $
1,379,943
     
17.45