XML 86 R74.htm IDEA: XBRL DOCUMENT v3.20.4
Series A Redeemable Convertible Preferred Stock Series A Redeemable Convertible Preferred Stock Effect on Net Income (Details) - USD ($)
12 Months Ended
Dec. 31, 2020
Dec. 31, 2019
Equity [Abstract]    
Net income (loss) $ 1,138,509 $ (1,751,954)
Less: Accrual of Series A redeemable convertible preferred stock dividends 1,083,892 1,157,762
Less: Accretion to redemption value of Series A redeemable convertible preferred stock 552,551 389,811
Net income (loss) attributable to common stockholders $ (497,934) $ (3,299,527)