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Schedule II - Valuation and Qualifying Accounts
 12 Months Ended
Sep. 30, 2020
SEC Schedule, 12-09, Valuation and Qualifying Accounts [Abstract]  
Schedule II- Valuation and Qualifying Accounts
SCHEDULE II - VALUATION AND QUALIFYING ACCOUNTS
DIGI INTERNATIONAL INC.
(in thousands)
Additions
DescriptionBalance at beginning of periodCharged to costs and expensesCharged to Other AccountsDeductionsBalance at end of period
Valuation allowance - deferred tax assets
September 30, 2020$3,810 $670 $— $108 $4,372 
September 30, 2019$3,291 $529 $— $10 $3,810 
September 30, 2018$5,952 $521 $— $3,182 $3,291 
Valuation account - doubtful accounts
September 30, 2020$968 $2,534 $— $(276)(2)$3,778 
September 30, 2019$785 $635 $— $452 (2)$968 
September 30, 2018$341 $729 $40 (1)$325 (2)$785 
Reserve for future credit returns and pricing adjustments
September 30, 2020$2,677 $17,816 $— $19,017 $1,476 
September 30, 2019$2,560 $12,640 $— $12,523 $2,677 
September 30, 2018$2,169 $10,715 $— $10,324 $2,560 
(1)Established through purchase accounting relating to the acquisition of TempAlert
(2)Uncollectible accounts charged against allowance, net of recoveries
 [1],[2]
[1] Recorded in Income tax (benefit) expense in our Consolidated Statements of Operations.
[2] Uncollectible accounts charged against allowance, net of recoveries