pre_text: (3) Accounts Receivable, Net Accounts receivable, net, is as follows (in thousands): Bad debt expense for the years ended December 31, 2019, 2018 and 2017 was $0.7 million, $0.1 million and $0.6 million, respectively.
table: As of December 31,
table: 2019 2018
table: Accounts receivable $69,767 $41,818
table: Allowance for doubtful accounts (1,125) (711)
table: Net accounts receivable $68,642 $41,107
question: Analyse this data from a financial earnings document. What is the change in Accounts receivable from December 31, 2019 to December 31, 2018?