CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands	9 Months Ended
	May 31, 2022	May 31, 2021
Cash flows from operating activities
Net income	$ 11,522	$ 9,477
Adjustments to reconcile net income to net cash provided by operating activities
Depreciation and amortization	2,724	2,662
Change in value of contingent consideration	283	364
Amortization of investment premiums	1,493	1,752
Stock-based compensation	2,279	2,041
Deferred income taxes	(46)	(84)
Currency translation adjustments	(251)	36
(Increase) decrease in
Accounts receivable	(8,736)	(5,540)
Prepaid income taxes	690	478
Prepaid expenses and other assets	1,208	(796)
Accounts payable	32	(51)
Accrued payroll and other expenses	(2,657)	363
Deferred revenue	1,432	228
Net cash provided by operating activities	9,973	10,930
Cash flows from investing activities
Purchases of property and equipment	(740)	(966)
Purchases of short-term investments	(70,924)	(63,964)
Proceeds from sale of short-term investments	75,932	68,068
Capitalized computer software development costs	(2,266)	(2,273)
Net cash provided by investing activities	2,002	865
Cash flows from financing activities
Payment of dividends	(3,632)	(3,603)
Payments on contracts payable	(3,667)	0
Proceeds from the exercise of stock options	693	1,412
Net cash used in financing activities	(6,606)	(2,191)
Net increase in cash and cash equivalents	5,369	9,604
Cash and cash equivalents, beginning of year	36,984	49,207
Cash and cash equivalents, end of period	42,353	58,811
Supplemental disclosures of cash flow information
Income taxes paid	2,001	893
Non-cash investing and financing activities
Right of use assets capitalized	$ 624	$ 905