Annual report pursuant to Section 13 and 15(d)

Note J - Patents (Details Textual)

v3.19.1
Note J - Patents (Details Textual)
12 Months Ended
Jul. 13, 2017
USD ($)
shares
Jul. 13, 2017
EUR (€)
shares
Dec. 31, 2018
USD ($)
shares
Dec. 31, 2017
USD ($)
Amortization of Intangible Assets, Total     $ 814,681 $ 510,676
Finite-Lived Intangible Assets, Amortization Expense, Next Twelve Months     53,000  
Finite-Lived Intangible Assets, Amortization Expense, Year Two     53,000  
Finite-Lived Intangible Assets, Amortization Expense, Year Three     53,000  
Finite-Lived Intangible Assets, Amortization Expense, Year Four     47,000  
Finite-Lived Intangible Assets, Amortization Expense, Year Five     $ 33,000  
Stock Issued During Period, Shares, Purchase of Assets | shares     244,959  
Stock Issued During Period, Value, Purchase of Assets     $ 286,601 2,486,000
Impairment of Intangible Assets, Finite-lived     1,539,794
APAD Octrooi B.V. and APAD B.V. [Member]        
Stock Issued During Period, Shares, Purchase of Assets | shares 1,646,358 1,646,358    
Stock Issued During Period, Value, Purchase of Assets $ 2,486,000      
Asset Purchase Agreement, Post-closing Adjustments, Percentage of Initial Shares, Maximum 25.00% 25.00%    
Asset Purchase Agreement, Post-closing Adjustments, Amount of Initial Shares, Maximum | €   € 250,000    
Patents [Member]        
Finite-Lived Intangible Asset, Useful Life 3 years 3 years    
Amortization of Intangible Assets, Total     $ 814,681 $ 510,676
Finite-lived Intangible Assets Acquired $ 2,639,000      
Patents [Member] | Minimum [Member]        
Finite-Lived Intangible Asset, Useful Life       3 years
Patents [Member] | Maximum [Member]        
Finite-Lived Intangible Asset, Useful Life       20 years