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Net Income (Loss) per Share Applicable to Common Stockholders (Details) - USD ($)
12 Months Ended
Dec. 31, 2020
Dec. 31, 2019
Numerator:    
Net income (loss) $ (3,278,601) $ 286,586
Net income (loss) allocated to restricted stock award 188,375
Adjusted net income (loss) for basic earnings per share $ (3,090,226) $ 286,586
Denominator: Weighted average common shares outstanding used in computing net income (loss) per share:    
Basic 6,036,310 5,984,381
Diluted 6,036,310 6,207,731
Net income (loss) per share applicable to common stockholders:    
Basic $ (0.51) $ 0.05
Diluted $ (0.51) $ 0.05