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Series A Redeemable Convertible Preferred Stock - Reconciliation of Net Loss Attributable to Common Stockholders (Details) - USD ($)
3 Months Ended 9 Months Ended
Sep. 30, 2020
Jun. 30, 2020
Mar. 31, 2020
Sep. 30, 2019
Jun. 30, 2019
Mar. 31, 2019
Sep. 30, 2020
Sep. 30, 2019
Equity [Abstract]                
Net income (loss) $ 1,546,209 $ 406,558 $ (719,840) $ (556,914) $ (1,171,723) $ (124,907) $ 1,232,927 $ (1,853,544)
Less: Accrual of Series A redeemable convertible preferred stock dividends 266,007 260,595 285,760 266,447 256,553 247,027 812,362 770,027
Less: Accretion to redemption value of Series A redeemable convertible preferred stock 175,335 $ 165,141 $ 26,090 139,399 $ 134,223 $ 129,239 366,566 402,861
Net loss attributable to common stockholders $ 1,104,867     $ (962,760)     $ 53,999 $ (3,026,432)