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Stockholders' Equity (Details) - USD ($)
 1 Months Ended 3 Months Ended 12 Months Ended
Jan. 15, 2020
Jun. 26, 2019
Jan. 31, 2020
Mar. 31, 2021
Dec. 31, 2020
Dec. 31, 2019
Stockholders' Equity (Textual)            
Issuance of common stock, shares   37,500 419,597      
Issuance of common stock     $ 984,000   $ 984,000 $ 186,000
Costs of sales $ 145,000          
Conversion of notes payable           180,000
Subordinated debt         2,589,000  
Directors’ fees         $ 211,000 $ 244,000
Subsequent Event [Member]            
Stockholders' Equity (Textual)            
Issuance of common stock, shares       41,960    
Exercise of stock options       51,224    
Directors’ fees       $ 52,000    
Director [Member]            
Stockholders' Equity (Textual)            
Issuance of common stock, shares         1,830,631 50,000
Issuance of common stock           $ 424,805
Common stock issued for directors fees, shares         178,405 257,602
Exercise of stock options           2,778