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Stock-Based Compensation (Details Narrative) - USD ($)
3 Months Ended 6 Months Ended
Jun. 30, 2020
Mar. 31, 2020
Mar. 31, 2019
Jun. 30, 2020
Jun. 30, 2019
Notes to Financial Statements          
Stock-based compensation expenses $ 131,369 $ 132,065 $ 121,965 $ 263,434  
Stock options granted       37,000 165,600
Restricted stock granted       293,000 116,050
Restricted stock remaining       394,506