Geeee, what comes between Q4 2020 and Q2 2021 Q1 2021 conveniently ignored. Deferred Revenue dropped to $306,325 in Q1 2021. So at least $231k was moved from 'Deferred' to 'Sales' by 3/31/2021. Q2 2021 saw new Deposits of at least $249k to reach the Q2 total for 'Deferred' of $555k.