pre_text: 6. Other Balance Sheet Account Details Allowance for Doubtful Accounts The following table presents the changes in the allowance for doubtful accounts (in thousands):
table: December 31, 2019 December 31, 2018
table: Allowance for doubtful accounts, beginning balance $319 $983
table: Increase (decrease) of provision (72) (26)
table: Write-offs (195) (638)
table: Allowance for doubtful accounts, ending balance $52 $319
question: Analyse this data from a financial earnings document. What is the total allowance for doubtful accounts, ending balance between 2018 and 2019?