Valuation and Qualifying Accounts (Tables)

12 Months Ended

Aug. 31, 2020

Valuation and Qualifying Accounts

Schedule of Company's accounts receivable reserve

Year ended	Balance at Beginning of Year		Charges to Operations		Deductions to Reserves		Balance at End of Year
August 31, 2020	$	739	$	921	$	(1,222)	$	438
August 31, 2019	$	559	$	1,775	$	(1,595)	$	739
August 31, 2018	$	456	$	1,138	$	(1,035)	$	559

Schedule of Company's warranty reserve

Year ended	Balance at Beginning of Year		Charges to Operations		Deductions to Reserves		Balance at End of Year
August 31, 2020	$	37	$	—	$	(37)	$	—
August 31, 2019	$	—	$	37	$	—	$	37
August 31, 2018	$	220	$	—	$	(220)	$	—