CONSOLIDATED BALANCE SHEETS (Parenthetical) - USD ($) $ in Thousands	Aug. 31, 2022	Aug. 31, 2021
Finite-Lived Intangible Assets [Line Items]
Accounts receivable, allowance for credit loss, current	$ 12	$ 78
Capitalized computer software, accumulated amortization	$ 15,672	$ 14,438
Preferred stock, par or stated value per share (in usd per share)	$ 0.001	$ 0.001
Preferred stock, shares authorized (in shares)	10,000,000	10,000,000
Preferred stock, shares issued (in shares)	0	0
Preferred stock, shares outstanding (in shares)	0	0
Common stock, par or stated value per share (in usd per share)	$ 0.001	$ 0.001
Common stock, shares authorized (in shares)	50,000,000	50,000,000
Common stock, shares, issued (in shares)	20,260,070	20,141,521
Common stock, shares, outstanding (in shares)	20,260,070	20,141,521
Intellectual property
Finite-Lived Intangible Assets [Line Items]
Accumulated amortization of intellectual property	$ 7,928	$ 6,516
Other Intangible Assets
Finite-Lived Intangible Assets [Line Items]
Accumulated amortization of intellectual property	$ 2,662	$ 2,186