Annual report pursuant to Section 13 and 15(d)

Note B - Going Concern and Liquidity (Details Textual)

v3.19.1
Note B - Going Concern and Liquidity (Details Textual) - USD ($)
1 Months Ended 12 Months Ended
Mar. 31, 2019
Feb. 28, 2019
May 31, 2014
Dec. 31, 2018
Dec. 31, 2017
Dec. 31, 2016
Cash and Cash Equivalents, at Carrying Value, Ending Balance       $ 743,429 $ 2,636,956 $ 3,602,229
Net Current Assets       1,000,000 5,300,000  
Proceeds from Stock Options Exercised       62,500  
Proceeds from Issuance of Private Placement   $ 250,000 $ 10,000,000 $ 150,836  
Private Placement [Member]            
Stock Issued During Period, Shares, New Issues     2,000,000      
Subsequent Event [Member] | Warrants, Public Offering [Member]            
Class of Warrant or Right, Number of Securities Called by Warrants or Rights   1,428,000        
Subsequent Event [Member] | Warrants, Private Offering [Member]            
Class of Warrant or Right, Number of Securities Called by Warrants or Rights   178,594        
Subsequent Event [Member] | Public Offering [Member]            
Proceeds from Issuance or Sale of Equity, Total   $ 2,000,000        
Stock Issued During Period, Shares, New Issues   5,715,000        
Proceeds from Stock Options Exercised $ 198,000          
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period 567,400          
Subsequent Event [Member] | Private Placement [Member]            
Stock Issued During Period, Shares, New Issues   714,286