Table:
|  | As of December 31, |  |
| --- | --- | --- |
|  | 2019 | 2018 |
| Accounts receivable | $69,767 | $41,818 |
| Allowance for doubtful accounts | (1,125) | (711) |
| Net accounts receivable | $68,642 | $41,107 |
Paragraphs:
(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.
Question:
What is the change in Allowance for doubtful accounts from December 31, 2019 to December 31, 2018?
Answer: 1125-711 = 414