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Stock-Based Compensation (Details Narrative) - USD ($)
3 Months Ended 9 Months Ended
Sep. 30, 2020
Jun. 30, 2020
Sep. 30, 2019
Sep. 30, 2020
Sep. 30, 2019
Notes to Financial Statements          
Stock-based compensation expenses $ 129,551 $ 131,369 $ 133,008 $ 392,985  
Stock options granted       37,000 213,400
Restricted stock granted       389,680 124,285
Shares available for future grant 301,631     301,631