pre_text: The following table lists customers from which the Company derived revenues in excess of 10% of total revenues for the years ended years ended September 30, 2019 and 2018 In addition, accounts receivable from Customer A totaled approximately $0.3 million, or 1%, and approximately $1.1 million, or 9%, of total consolidated accounts receivable as of September 30, 2019 and September 30, 2018, respectively. Accounts receivable and long term receivable from Customer B totaled approximately $7.4 million, or 36%, and approximately $0.2 million, or 2%, of total consolidated accounts receivable as of September 30, 2019 and September 30, 2018, respectively. We believe that the Company is not exposed to any significant credit risk with respect to the accounts receivable with these customers as of September 30, 2019. No other customers accounted for 10% or more of total consolidated accounts receivable as
  of September 30, 2019.
table: For the years ended
table: September 30, 2019 September 30, 2018
table: Amount % of Revenue Amount % of Revenue
table: (Amounts in millions)
table: Customer A $3.8 5% $7.5 10%
table: Customer B $10.2 13% 1.1 3%
question: Analyse this data from a financial earnings document. What is the difference in revenue earned from customer A and customer B in 2019?