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Series A Redeemable Convertible Preferred Stock - Reconciliation of Net Loss Attributable to Common Stockholders (Details) - USD ($)
3 Months Ended 6 Months Ended
Jun. 30, 2020
Mar. 31, 2020
Jun. 30, 2019
Mar. 31, 2019
Jun. 30, 2020
Jun. 30, 2019
Equity [Abstract]            
Net income (loss) $ 406,558 $ (719,840) $ (1,171,723) $ (124,907) $ (313,282) $ (1,296,630)
Less: Accrual of Series A redeemable convertible preferred stock dividends 260,595 285,760 256,553 247,027 546,355 503,580
Less: Accretion to redemption value of Series A redeemable convertible preferred stock 165,141 $ 26,090 134,223 $ 129,239 191,231 263,462
Net loss attributable to common stockholders $ (19,178)   $ (1,562,499)   $ (1,050,868) $ (2,063,672)