CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands	6 Months Ended
	Feb. 28, 2023	Feb. 28, 2022
Cash flows from operating activities
Net income	$ 5,419	$ 7,435
Adjustments to reconcile net income to net cash provided by operating activities
Depreciation and amortization	1,858	1,840
Change in value of contingent consideration	0	243
Amortization of investment (discounts) premiums	(379)	1,122
Stock-based compensation	2,300	1,513
Deferred income taxes	403	424
Currency translation adjustments	30	(275)
Increase (Decrease) in Other Operating Assets and Liabilities, Net [Abstract]
Accounts receivable	2,389	(5,188)
Prepaid income taxes	994	563
Prepaid expenses and other assets	(1,067)	1,274
Accounts payable	125	22
Other liabilities	(1,010)	(3,384)
Deferred revenue	(814)	590
Net cash provided by operating activities	10,248	6,179
Cash flows from investing activities
Purchases of property and equipment	(316)	(710)
Purchase of short-term investments	(47,156)	(25,504)
Proceeds from maturities of short-term investments	48,151	46,810
Purchased intangibles	(77)	0
Capitalized computer software development costs	(1,675)	(1,507)
Net cash (used in) provided by investing activities	(1,073)	19,089
Cash flows from financing activities
Payment of dividends	(2,413)	(2,420)
Proceeds from the exercise of stock options	963	541
Repurchase and retirement of common shares	(20,000)	0
Net cash used in financing activities	(21,450)	(1,879)
Net (decrease) increase in cash and cash equivalents	(12,275)	23,389
Cash and cash equivalents, beginning of year	51,567	36,984
Cash and cash equivalents, end of period	39,292	60,373
Supplemental disclosures of cash flow information
Income taxes paid	93	921
Non-Cash Investing and Financing Activities
Right of use assets capitalized	$ 0	$ 624