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Stockholders Equity (Details Narrative) - USD ($)
12 Months Ended
Dec. 31, 2020
Dec. 31, 2019
Aug. 05, 2020
Dividends declared $ 1,957,142 $ 3,501,366  
Stock based compensation for stock options $ 68,000 $ 30,000  
Stock-based compensation expense, estimated forfeitures rate 16.00% 17.00%  
Stock based compensation for grants $ 1,703,000 $ 1,472,000  
Weighted-average vesting period 1 year 3 months 7 days    
Closing price of common stock $ 6.65    
Stock option net forfeited $ 0    
Fair value of unamortized compensation cost $ 64,000    
Proceeds from issuance of cost   $ 23,550  
Stock issued during the period   3,000  
Common stock shares authorized 20,000,000 20,000,000  
Board Of Directors [Member] | 2014 Plan      
Common stock shares authorized 700,000   1,400,000
Shares reserved 843,316    
Black - Scholes Option Pricing Model [Member]      
Dividend per share $ 1.66 $ 1.91