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Net Income (Loss) Per Share (Details) - USD ($)
 3 Months Ended 6 Months Ended
Jun. 30, 2021
Mar. 31, 2021
Jun. 30, 2020
Mar. 31, 2020
Jun. 30, 2021
Jun. 30, 2020
Numerator:            
Net income (loss) $ 2,627,107 $ 202,902 $ (768,023) $ (90,327) $ 2,830,009 $ (858,350)
   Net income (loss) allocated to restricted stock award 226,630   (45,890)   243,205 (40,262)
   Adjusted net income (loss) for basic earnings per share 2,400,477   (722,133)   2,586,804 (818,088)
   Convertible note interest 43,177     88,755
   Adjusted net income (loss) for diluted earnings per share $ 2,443,654   $ (722,133)   $ 2,675,559 $ (818,088)
Denominator:: Weighted average shares outstanding used in computing net income (loss) per share:            
Basic 7,128,768   6,009,383   6,808,339 6,011,695
Effect of dilutive stock options 819,680     826,387
Effect of convertible note weighted shares 958,904     958,904
Diluted 8,907,352   6,009,383   8,593,630 6,011,695
Net income (loss) per share applicable to common stockholders:            
Basic $ 0.34   $ (0.13)   $ 0.38 $ (0.14)
Diluted $ 0.27   $ (0.13)   $ 0.31 $ (0.14)