General form of registration statement for all companies including face-amount certificate companies

11. Stockholders' Equity (Details - Options by exercise price (Details - Options Outstanding and Exercisable) (March 2021)

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11. Stockholders' Equity (Details - Options by exercise price (Details - Options Outstanding and Exercisable) (March 2021) - Options [Member] - $ / shares
Mar. 31, 2021
Dec. 31, 2020
Dec. 31, 2019
Options Outstanding 315,000 210,000 210,000
Options Exercisable 315,000 210,000  
Options outstanding, exercise price $ 4.80 $ 9.61 $ 9.61
$5.70 per share [Member]      
Options Outstanding 30,000 30,000  
Options Exercisable 30,000 30,000  
Options outstanding, exercise price $ 5.70    
$5.70 per share [Member]      
Options Outstanding 30,000 30,000  
Options Exercisable 30,000 30,000  
Options outstanding, exercise price $ 5.70 $ 5.70  
$5.70 Per Share [Member]      
Options Outstanding 30,000 30,000  
Options Exercisable 30,000 30,000  
Options outstanding, exercise price $ 5.70 $ 5.70  
$5.70 Per Share [Member]      
Options Outstanding 30,000 30,000  
Options Exercisable 30,000 30,000  
Options outstanding, exercise price $ 5.70 $ 5.70  
$5.70 Per Share [Member]      
Options Outstanding 30,000 30,000  
Options Exercisable 30,000 30,000  
Options outstanding, exercise price $ 5.70 $ 5.70  
$5.70 Per Share [Member]      
Options Outstanding 30,000 30,000  
Options Exercisable 30,000 30,000  
Options outstanding, exercise price $ 5.70 $ 5.70  
$5.70 Per Share [Member]      
Options Outstanding 30,000 30,000  
Options Exercisable 30,000 30,000  
Options outstanding, exercise price $ 5.70 $ 5.70  
$3.00 Per Share [Member]      
Options Outstanding 15,000    
Options Exercisable 15,000    
Options outstanding, exercise price $ 3.00    
$3.00 Per Share [Member]      
Options Outstanding 15,000    
Options Exercisable 15,000    
Options outstanding, exercise price $ 3.00    
$3.00 Per Share [Member]      
Options Outstanding 15,000    
Options Exercisable 15,000    
Options outstanding, exercise price $ 3.00    
$3.00 Per Share [Member]      
Options Outstanding 15,000    
Options Exercisable 15,000    
Options outstanding, exercise price $ 3.00    
$3.00 Per Share [Member]      
Options Outstanding 15,000    
Options Exercisable 15,000    
Options outstanding, exercise price $ 3.00    
$3.00 Per Share [Member]      
Options Outstanding 15,000    
Options Exercisable 15,000    
Options outstanding, exercise price $ 3.00    
$3.00 Per Share [Member]      
Options Outstanding 15,000    
Options Exercisable 15,000    
Options outstanding, exercise price $ 3.00