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Shareholders' Equity (Tables)
6 Months Ended
Jun. 30, 2020
Equity [Abstract]  
Schedule of stockholders equity
Six Months Ended June 30, 2020 (Unaudited)
Common StockTreasury StockAdditional Paid-In CapitalAccumulated DeficitTotal
January 1, 2020$39,613  $(18,929,915) $96,105,851  $(41,351,078) $35,864,471  
Stock-based compensation—  —  426,939  —  426,939  
Exercise of stock options100  —  174,900  —  175,000  
Net loss—  —  —  (2,214,139) (2,214,139) 
March 31, 2020$39,713  $(18,929,915) $96,707,690  $(43,565,217) $34,252,271  
Stock issued—  —  436,613  —  436,613  
Stock-based compensation23  —  55,720  —  55,743  
Net loss—  —  —  (2,651,422) (2,651,422) 
June 30, 2020$39,736  $(18,929,915) $97,200,023  $(46,216,639) $32,093,205  
Six Months Ended June 30, 2019 (Unaudited)
Common StockTreasury StockAdditional Paid-In CapitalAccumulated DeficitTotal
January 1, 2019$38,967  $(18,929,915) $94,385,230  $(33,043,113) $42,451,169  
Stock-based compensation—  —  309,563  —  309,563  
Net loss—  —  —  (2,175,258) (2,175,258) 
March 31, 2019$38,967  $(18,929,915) $94,694,793  $(35,218,371) $40,585,474  
Stock issued398  —  148,782  —  149,180  
Stock-based compensation—  —  580,603  —  580,603  
Net loss—  —  —  (2,695,792) (2,695,792) 
June 30, 2019$39,365  $(18,929,915) $95,424,178  $(37,914,163) $38,619,465